PEER-REVIEWED PUBLICATIONS

(***) Indicates Undergraduate or Graduate Mentee Author

Full text available via links or direct pdf downloads in Orange below.

In review or preparation

Revising Richardson JB, Dobson AM. Effects of climate, nutritional-role, or soil properties governing element pools and residence times in temperate deciduous forests across the northeastern US. Submitted to Plant and Soil

Published

(64) Truong, M.T., Haselden, C.T., Tuan, A.C. and Richardson, J.B., 2026. Tracing spatial mid-size Eastern US cities road dust pollution: insights from source apportionment and health risk assessment. Environmental Science and Pollution Research, pp.1-18.

Truong Haselden Richardson 2026 ‘Tracing spatial mid-size Eastern U.S. cities road dust pollution’

(63) Perdrial N., Walser SL., Sirkovich EC., Richardson JB., Cope M. Soil Lead Risks Associated with Urbanization History in Springfield MA and Hartford CT USA.  GeoHealth

https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2026GH001854

(62) Rice AM**, D’Amato AW, Smith GA, Perdrial N, Richardson JB. Soil nutrient gradients shape biomass allocation and merchantable wood in actively managed New England forests  Journal of Forestry Research

(61) Ackerman AM**, Copenheaver CA, Richardson JB, Limaye AB. Effects of Debris Flow Disturbance on Vegetation, Soils, and Topography in a Steep Landscape in Central Virginia. Submitted to Journal of Geophysical Research: Biogeosciences

https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2025EA004619

(60) Justin B. Richardson, Owen C. Porterfield***, Andrew W. Schroth, Andrew J. Friedland, James M. Kaste. 2026 Lead pollution mobility in forest soils of the Northeastern United States evaluated with a 40-year resampling study. Water, Air, & Soil Pollution

Richardson et al 2026 ‘Pollutant Pb mobility Forest soils NE USA 40 year resampling’

(59) Kohlhaas RT.***, Schroeder SE.***, Richardson JB 2026. Phosphorus and potentially toxic elements in stream waters, sediments, mine tailings, and pines across Lake Anna watershed, VA, USA, and biochar-lime remediation

Kohlhaas Schroeder Richardson 2026 ‘Phosphorus and potentially toxic elements in stream waters, sediments, mine tailings, and pines across Lake Anna watershed’

2024

(55) Richter DD, Billings SA, Brantley SL, Gaillardet J., Markewitz D., Schlesinger WH., Amundson R., Ashley GM.,…. Richardson JB…. Marilyn Wolf. Earth Sciences Are the Model Sciences of the Anthropocene Perspectives of Earth and Space Scientists. 5, e2024CN000237

(54) Rice AM, Perdrial N, Treto V, D’Amato AW, Smith GA, Richardson JB. Influence of parent material mineralogy on forest soil nutrient release rates across a nutrient richness gradient Geoderma 451, 117081

Influence of parent material mineralogy on forest soil nutrient release rates across a nutrient richness gradient Geoderma

(53) Richardson JB, Truong MT***, Dobson AM. Throughfall and Litterfall Fluxes Reveal New Inputs and Foliar Cycling Maintain Pb, Cd, Cu, and Zn Pollution Legacy in Eastern US Temperate Forests. Pollutants 4 (4), 474-489

Throughfall and Litterfall Fluxes Reveal New Inputs and Foliar Cycling Maintain Pb, Cd, Cu, and Zn Pollution Legacy in Eastern US Temperate Forests. Pollutants

(52)Teng W***, Yu Q., Mischenko I***, Rice AM***, Richardson JB. Predicting foliar nutrient concentrations across geologic materials and tree genera in the northeastern United States using spectral reflectance and PLSR models. Journal of Remote Sensing 4, 0093.

Teng et al 2024 ‘Predicting Foliar Nutrient Concentrations across Geologic Materials and Tree Genera in NE USA using Spectral Reflectance and PLSR models’

(51) Buck A., Zarrella-Smith K., Jordaan A., Richardson J.B., Trace elements in European oyster (Ostrea edulis), seawater, and sediments in Boston Harbor, MA, USA – Implications for biomonitoring and ecotoxicology. Bulletin of Environmental Contamination and Toxicology  112 (1), 20

Buck et al 2024 ‘Ecotoxicology of Trace elements in European Oysters, seawater sediments across Boston Harbor MA’

(50) Hanley M.L.***, Vukicevich E., Rice A.M.***, Richardson J.B., Uptake of Toxic Nutrient Elements by Foraged Edible and Medicinal Mushrooms Throughout Connecticut River Valley, New England, USA. Environmental Science and Pollution Research 31 (4), 5526-553920

Hanley et al 2024 ‘ Toxic and nutrient metals in foraged mushrooms CT River Valley New England’

2023

(49) Avkopashvili G., Gongadze A., Richardson J., Gakhokidze R., Osidze I., Asanidze L., Bioaccumulation of Macro and Micro Elements by the Amaranthus Viridis from the Cadmium-Contaminated Soil. Bulletin of the Georgian National Academy of Sciences 17:3

Avkopashvili et al 2023 ‘Bioaccumulation of macro and micro elements by amaranthus’

(48) Imran W***,  Richardson, J.B. 2023 Trace Element (As, Cd, Cr, Cu, Pb, Se, U) Concentrations and Health Hazards from Drinking Water and Market Rice across Lahore City, Pakistan. Sustainability 15, 13463.  

Imran and Richardson 2023 ‘Trace elements in drinking water and rice across Lahore’

(47) Sirkovich EC***, Walser SL***, Richardson JB, Perdrial N. Evaluating Trace Elements in Urban Forest Soils across Three Contrasting New England USA Towns and Cities by pXRF and Mass Spectrometry . Accepted in Environmental Pollution

Sirkovich et al 2023 ‘Evaluating trace elements in urban forest soils three towns pXRF’

(46)  Butler MJ***, Yellen BC, Oyewumi O., Richardson JB “Accumulation and transport of nutrient and pollutant elements in riparian soils, sediments, and river waters across the Thames River Watershed, Connecticut, USA” Science of the Total Environment 165630.
DOI: 10.1016/j.scitotenv.2023.165630

Butler et al 2023 ‘Accumulation and transport of nutrient and pollutant elements in riparian soils, sediments, and river waters across the Thames River’

(45) Richardson JB, Thrasher SA***, Saccardi B***, Clark EV. Sulfidic schist release of As, Cu, and Pb in laboratory experiments and across eleven watersheds in central Massachusetts, USA.  Environmental Geochemistry and Health.

Richardson et al 2023 Sulfidic schist release of As, Cu, and Pb in eleven watersheds central MA’

(44) Street BB***, Rice AM***, Richardson JB. Forest Floor and Na azide effect on elements in leachate from contrasting New Hampshire and Virginia forest soils. Accepted in Soil Science Society of America Journal.

Street et al 2023 ‘Forest floor and Na azide effect on elements in leachate New Hampshire and Virginia forest soils’

(43)   Richardson JB, Linking soil to river water export of nutrient and oxyhydroxide forming elements across land-uses in the Deerfield River, Massachusetts, USA. CATENA, 228, p.107174.
Richardson 2023 ‘Storage and export of nutrient and oxyhydroxide elements across soils and watersheds Deerfield Massachusetts’

(42) Bowdish L***, Duran A***, Richardson JB., Vukicevich E., Mycorrhizal fungi and soil factors influence toxic element uptake in urban grown produce. Urban Agriculture & Regional Food Systems. 8(1), p.e20037 https://doi.org/10.1002/uar2.20037

Bowdish et al 2023 UARFS ‘Mycorrhizal fungi and soil factors influence toxic element uptake in urban produce’

2022

(41)  Walser SL***, Sirkovich EC***, Richardson JB, McStay AE***, Perdrial NJ. Moisture, organic matter, and large particle correction for accurate Pb portable X-ray fluorescence assessment in urban soils.  X-Ray Spectrometry 52(2):72-82  1-11 DOI: 10.1002/xrs.3321

Walser et al 2022 ‘Moisture organic matter and large particle correction for accurate Pb pXRF

(40)  McStay AE***, Walser SL***, Sirkovich EC***, Perdrial NJ, Richardson JB. Macronutrients micronutrients, and toxic elements in soils measured by pXRF and ICP-based methods and assessment of plant tissue concentrations across ten urban community garden soils. Journal of Environmental Quality 51, No. 3, pp. 439-450.

McStay et al ‘2022’ Nutrient and toxic elements in soils and plants across 10 urban community gardens

(39) Richardson JB, Johnston MR, Herrick BM. Accumulation of macronutrients (Ca, Mg, P, K) in forest and laboratory soils following invasion by Amynthas tokioensis and Amynthas agrestis  Pedosphere 91, p.15080.

Richardson et al 2022 ‘Invasive Amynthas tokioensis and amynthas agrestis macronutrients in field and laboratory forest soils’

(38) Baranes H.E.***, Woodruff J. D., Geyer 2 W. R., Yellen B. C., Richardson J.B. Sources, Mechanisms, and Timescales of Sediment Delivery to a New England Salt Marsh.  Journal of Geophysical Research: Earth Surface 127(3), p.e2021JF006478

https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2021JF006478

(37) Richardson JB, Mischenko IC***, Butler MJ***. Mercury in forest soils and suspended sediments in the Connecticut River, Merrimack River, and Thames River watersheds of the northeastern USA.  Pollutants 2(2), pp.252-268
Richardson et al 2022 ‘Mercury in Temperate Forest soils and suspended sediments CT, Merrimack, and Thames Rivers’

(36) Richardson JB, Mischenko IC***, Mackowiak TJ***,  Pedrial N. Trace metals and metalloids and Ga/Al ratios in grey shale weathering profiles along a climate gradient and in batch reactors  Geoderma 405, 115431
Richardson et al 2022 ‘Trace metals and metalloids and Ga-Al ratios in grey shale weathering profiles climate gradient batch reactors’

2021

(35) Richardson JB, Chase JK, 2021 Transfer of major nutrients, micronutrient, and toxic elements from soil to grapes to white wines in uncontaminated vineyards. International Journal of Environmental Research and Public Health 18(24), 13271
https://doi.org/10.3390/ijerph182413271

(34) Brantley SL, Wen T., Agarwal D., Catalano, J.G., Schroeder, P.A., Lehnert, K., Varadharajan, C., Pett-Ridge, J., Engle, M., Castronova, A.M. Hooper, R.P., Ma X., Jin, L., McHenry K., Aronson E., Shaughnessy AR., Derry LA., Richardson JB., Bales J., Piece EM., The future low-temperature geochemical data-scape as envisioned by the US geochemical community. Computers & Geosciences 157:104933
https://doi.org/10.1016/j.cageo.2021.104933

(33) Richardson JB. Shale weathering profiles show Hg sequestration along a New York-Tennessee transect. Environmental Geochemistry and Health 44(10), 3515-3526.
Richardson 2021 ‘Shale Weathering Profiles Show Hg Sequestration NY-TN gradient’

(32)  Chang, C.H., Bartz, M.L., Brown, G., Callaham, M.A., Cameron, E.K., Dávalos, A., Dobson, A., Görres, J.H., Herrick, B.M., Ikeda, H. James, S.W.,…Richardson J.B., Snyder, B.A. Szlavecz K., 2021. The second wave of earthworm invasions in North America: biology, environmental impacts, management and control of invasive jumping worms. Biological Invasions, pp.1-32.

Chang et al 2021 ‘The Second Wave Of Earthworm Invasion in North America’ pdf

(31) Richardson J.B., Zuñiga L.X. 2021, Quantifying aluminosilicate manganese release and dissolution rates across organic ligand treatments from rocks, minerals, and soils. Acta Geochimica pp.1-14.

Richardson and Zuñiga 2021 ‘Quantifying Aluminosilicate Manganese release and dissolution rates across organic ligand treatments rocks, minerals, and soils’ pdf

(30)    Peach M.E., Richardson J.B., Friedland, A.J., Legacies of Nutrient Retention and Loss in Residential Ecosystems. Ecosystems 24, 1891–1905.
Peach Richardson Friedland 2021 ‘Yard Legacies Of Nutrient Accumulation’ pdf

(29) Mackowiak TJ***, Mischenko IC***, Butler MJ***, Richardson JB. Accumulation of Trace Metals and Metalloids in Soils and Foliage across Lithologies, Ecosystems, and Development Intensities in Southern California. Journal of Soils and sediments  21:1713-1729

Mackowiak et al 2021 ‘Trace Metals And Metalloids In Periurban soil and soliage across geologic materials, ecosystems and developments SoCal’ pdf

(28) Richardson JB. 2021 Comparing trace element (As, Cu, Ni, Pb, Zn) soil-surface water linkages in montane, upland watersheds with lowland, urban watersheds in New England, USA. 13(1), 59  https://doi.org/10.3390/w13010059

2020

(27) Timothy S. McCay, George Brown, Mac A. Callaham, Jr., Chih-Han Chang, Andrea Dávalos, Annise Dobson, Josef H. Görres, Bradley M. Herrick, Samuel W. James, Marie R. Johnston, Damhnait McHugh, Tanya Minteer, Jean-David Moore, Maryam Nouri-Aiin, Marta Novo, Jaime Ortiz-Pachar, Rebecca A. Pinder, Justin B. Richardson, Bruce A. Snyder, Katalin Szlavecz. Tools for Monitoring and Study of Peregrine Pheretimoid Earthworms (Megascolecidae) Pedobiologia 83, p.150669

McCay et al 2020 ‘Tools for monitoring and study of peregrine pheretimoid earthworms (Megascolecidae) PDF

(26) Sizmur T., Richardson J.B., 2020 Earthworms accelerate the biogeochemical cycling of potentially toxic elements: Results of a meta-analysis. Soil Biology and Biochemistry. 148, p.107865

Sizmur and Richardson 2020 ‘Earthworms accelerate the biogeochemical cycling of potentially toxic elements – results of a meta-analysis’ PDF

(25) Mistikawy J.A.***, Mackowiak T.***, Butler M.J.***, Mischenko I.C.***, Cernack R.S., Richardson J.B. 2020 Chromium, Manganese, Nickel, and Cobalt mobility and bioavailability from mafic-to-ultramafic mine spoil weathering in western Massachusetts, USA. Environmental Geochemistry and Health 42(10), pp.3263-3279

Mistikawy et al 2020 ‘Cr, Mn, Ni, and Co mobility and bioavaility from mafic to ultramafic mine spoil weathering, MA’ PDF

(24) Richardson J.B., 2020 Urban forests near municipal solid waste incinerators do not show elevated trace metal or rare earth element concentrations across three cities in the northeast USA. Environmental Science and Pollution Research 27(17):21790-21803

Richardson 2020 ‘Urban forests near municipal solid waste incinerators do not show elevated trace metal or rare earth element’ PDF

(23) Richardson J.B.,  Görres, J.H., Sizmur. T., 2020 Synthesis of earthworm trace metal uptake and bioaccumulation data: role of soil concentration, earthworm ecophysiology, and experimental design. Environmental Pollution 114126

Richardson et al 2020 ‘Synthesis of earthworm trace metal uptake and bioaccumulation data’ PDF    

(22) Richardson J.B.., Leon M.S,*** 2020 “A tale of three cities: mercury in urban deciduous trees and soils across land-uses in Poughkeepsie NY, Hartford CT, and Springfield MA USA”. Science of the Total Environment 715, 136869

Richardson and Moore 2020 ‘A tale of 3 cities – Hg in urban deciduous foliage and soils’ PDF

(21) Marek R.S.***, Richardson J.B. 2020 “Investigating surficial geologic controls on soil properties and tree growth and nutrients in Western Massachusetts”  Journal of Soil Science and Plant Nutrition 20:901–911

Marek and Richardson 2020 ‘Surficial Geologic controls soil Hardwood growth’ PDF

(20) Dobson A.M., Richardson J.B., Blossey B., 2020 “Effects of earthworms and white-tailed deer on roots, arbuscular mycorrhizae and forest seedling performance” Ecology 101, No.1 e02903

Dobson et al 2020 ‘Earthworms and white-tailed deer on roots, mycorrhiae, and seedlings’ PDF

2019

(19) Richardson J.B., 2019 “Trace elements in surface soils and Megascolecidae earthworms in urban forests adjacent to four land-uses around Poughkeepsie, New York, USA”. Bulletin of Environmental Contamination and Toxicology.

Richardson 2019 ‘Trace elements in soils and earthworms in urban forests NY USA’ PDF

(18) Jordan J.D.***, Cernak R., Richardson J.B. 2019 “Exploring the role of soil geochemistry on Mn and Ca uptake on 75-year-old mine spoils in western Massachusetts, USA” Environmental Geochemistry and Health.
DOI: 10.1007/s10653-019-00339-x
Jordan Richardson Cernak 2019 ‘Manganese and Ca mine spoils’

2018

(17) Richardson J.B., King E.K., 2018. Regolith weathering and sorption influences molybdenum, vanadium, and chromium export via stream water at four granitoid Critical Zone Observatories. Frontiers in Earth Science 193:1–15
DOI: 10.3389/feart.2018.00193
Richardson and King 2018 ‘Regolith Mo, V and Cr at four CZOs’

 (16) Richardson J.B., Aguirre A.A., Buss H.L., O’Geen A.T., Gu X., Rempe D.M., Richter D.D., 2018 Mercury sourcing and sequestration in weathering profiles at six Critical Zone Observatories across North America. Global Biogeochemical Cycles 32:1542-1555.
DOI: 10.1029/2018GB005974
Richardson et al 2018 ‘Mercury sourcing and sequestration weathering profiles six CZOs’ PDF

 (15) Richardson J.B., Bernd, B., Dobson A.M., Earthworm impacts on trace metal (Al, Fe, Mo, Cu, Zn, Pb) exchangeability and uptake by young Acer saccharum and Polystichum acrostichoides. 2018 Biogeochemistry 138:103–11
DOI:10.1007/s10533-018-0434-1

Richardson et al 2018 ‘Earthworm impacts on trace metal exchangeability and uptake Acer and Polystichum’ PDF

2017

(14) Dobson A.M., Richardson J.B., Bernd, B. 2017. Invasive earthworms change nutrient availability and uptake by forest understory plants. Plant and Soil 421:175–190.
DOI: 10.1007/s11104-017-3412-9

Dobson Blossey Richardson 2017 ‘Invasive earthworms change nutrients forest understory’ PDF

(13) Richardson J.B., Petrenko C.L., Friedland A.J. 2017. Organic horizon and mineral soil mercury along three clear-cut forest chronosequences across the northeastern U.S. Environmental Science and Pollution Research 24:27994–28005.
DOI: 10.1007/s11356-017-0356-9
Richardson et al 2017 ‘Organic and mineral soil mercury clear-cut chronosequences’ PDF

(12) Richardson J.B., Görres J.H., Friedland A.J. 2017. Exotic earthworms decrease Cd, Hg, and Pb pools in upland forest soils of Vermont and New Hampshire USA. Bulletin of Environmental Contamination and Toxicology 99:428-432.
DOI: 10.1007/s00128-017-2170-y
Richardson et al 2017 ‘Exotic earthworms decrease Cd Hg Pb in forest soils’ PDF

 (11) Richardson J.B., Petrenko C.L., Friedland A.J. 2017. Base cation and micronutrient dynamics along three clear-cut chronosequences in the northeastern US. Nutrient Cycling in Agroecosystems 109:161-179.
DOI:10.1007/s10705-017-9876-4
Richardson et al 2017 ‘Base cations and micronutrients along 3 chronosequences’ PDF

 (10) Richardson J.B. 2017 Manganese and Mn/Ca ratios in soil and vegetation forests across the northeastern US: insights on spatial Mn enrichment. Science of the Total Environment 581:612-620.
DOI:10.1016/j.scitotenv.2016.12.170
Richardson 2017 ‘Mn and Mn-Ca ratios in soil and vegetation NE USA’ PDF

 2016

(9) Richardson J.B., Renock D.J., Görres J.H., Jackson B.P., Webb S.M., Friedland A.J. 2016. Nutrient and pollutant metals within earthworm residues are immobilized in soil during decomposition. Soil Biology and Biochemistry 101:217-225.
DOI:10.1016/j.soilbio.2016.07.020
Richardson et al 2016 ‘Nutrient and pollutant metals in earthworm residues immobilized in soil’ PDF

 (8) Richardson, J.B., Gorres J.H., Friedland A.J., 2016. Forest floor decomposition, metal exchangeability, and metal bioaccumulation by Amynthas agrestis and Lumbricus rubellus. Environmental Science and Pollution Research 23:18253–18266
DOI:10.1007/s11356-016-6994-5
Richardson et al 2016 ‘Forest floor decomposition, metal bioaccumulation by earthworms’ PDF

 (7) Richardson, J.B Friedland A.J. 2016. Influence of coniferous and deciduous vegetation on major and trace metals in forests of northern New England, USA. Plant and Soil 402:363–378.
DOI:10.1007/s11104-016-2805-5
Richardson and Friedland 2016 ‘Major and trace metals conif and decid forest soils’ PDF

 2015

(6) Richardson, J.B Friedland A.J. 2015. Mercury in Coniferous and Deciduous Upland Forests in Northern New England, USA: Implications from Climate Change. Biogeosciences 12, 6737-6749.
DOI:10.5194/bg-12-6737-2015

Richardson and Friedland 2015 ‘Mercury in coniferous and deciduous forests’ PDF

 (5) Richardson, J.B., Gorres J.H., Friedland A.J., Jackson B.P., 2015. Trace Metals and Metalloids in Forest Soils and Invasive Earthworms in Northern New England, USA. Soil Biology and Biochemistry 46:89-95
DOI:10.1016/j.soilbio.2011.11.008
Richardson Gorres et al 2015′ Trace metals in soils and earthworms’ PDF

 (4) Richardson J.B., Donaldson E.C., Friedland A.J., 2015. Response of lead, copper and zinc concentrations in forest soils to decreasing emissions in the northeastern United States: a synthesis. Science of the Total Environment 505:851 – 859.
DOI:10.1016/j.scitotenv.2014.10.023

Richardson et al 2015 ‘Forest floor Pb, Zn, Cu NE-USA’ PDF ‘

 2014

(3) Richardson J.B., Friedland A.J., Kaste J.M., Jackson B.P. 2014. Forest floor lead changes from 1980 to 2011 and subsequent accumulation in the mineral soil across the northeastern United Sates. Journal of Environmental Quality 43:926-935.
DOI:10.2134/jeq2013.10.0435
Richardson et al 2014 ‘Forest Floor Lead from 1980 to 2011’ PDF

 2013

(2) Richardson J.B., Friedland A.J., Engerbretson T.R., Kaste J.M., Jackson B.P. 2013. The spatial and vertical distribution of mercury in upland forest soils across the northeastern United States Environmental Pollution 182:127-134
DOI: 10.1016/j.envpol.22013.07.011

Richardson et al 2013 ‘Spatial and vertical distribution of Hg’ pdf

2012

(1) Richardson J.B., Chatterjee A., Jenerette G.D., 2012. Optimum temperatures for soil respiration along a semi-arid elevation gradient in southern California. Soil Biology and Biochemistry 46:89-95
DOI: 10.1016/j.soilbio.2011.11.008
Richardson et al., (2012) Optimum soil respiration PDF

NON-REFERRED PUBLICATIONS

 Jelinski N.A., Richardson J.B., Nater E.A., “Soils of humid cool temperate regions” Encyclopedia of Soils in the Environment. 2^nd Edition. Edited by B. Xing and S. Staunton. 2022

Richardson J.B. “Alkaline Earth Metals in Soil” Encyclopedia of Soils in the Environment. 2^nd Edition. Edited by B. Xing and S. Staunton. 2022

Richardson J.B. Perdrial NJ, Vautour B. “Portable X-Ray Fluorescence (pXRF) for Rapid Assessment of Toxic and Nutrient Metals in Soils” USDA-NRCS Technology Focus Team2022

Richardson J.B. 2017 A commentary on “Anthropogenic mercury sequestration in different soil types on the southeast coast of China” by Zhang et al. (J Soils Sediments 15:962-971. doi:10.1007/s11368-015-1062-1, 2015). DOI: 10.1007/s11368-017-1788-z

Richardson J.B. 2017 “Critical Zone” definition. Encyclopedia of Geochemistry. Part of the series Encyclopedia of Earth Sciences Series pp 1-5
DOI: 10.1007/978-3-319-39193-9_355-1
Richardson 2017 ‘Critical Zone’ Encyclopedia of Geochemistry

Richardson J.B. and contributors. 2016 – 2017 Adventures in the Critical Blog – the blog of the Critical Zone Observatory National Office.
Link to Adventures in the Critical Zone Blogs

Richardson J.B. 2013 Studying soil Science at an Ivy League School. Soil Horizons.
DOI: 10.2136/sh2013-54-5-rc
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