Alloway B.J. 1995. Heavy Metals in Soils, Blackie Academic and Professional, Glasgow. 368 p.
Amacher M.C. 1996. Nickel, Cadmium and Lead. In: Sparks, D. L. (Ed.), Methods of Soil Analysis. American Society of Agronomy, Madison, WI. pp. 739-768.
Bacon J.R., and Davidson C.M. 2008. Is there a future for sequential chemical extraction? Analyst, 133: 25–46.
Bakircioglu D., Y. Bakircioglu Kurtulus and H. Ibar. 2011. Investigation of trace elements in agricultural soils by BCR sequential extraction method and its transfer to wheat plants. Journal of Environmental Monitoring and Assessment, 175:303–314.
Barona A., and Romero F. 1996. Fractionation of lead in soils and its influence on the extractive 559 cleaning with EDTA. Environmental Technology, 17: 63-70.
Benton Jones J., and Case V.W. 1990. Sampling, handling and analyzing plant tissue samples, In: Westerman, R.L. (Ed.), Soil testing and plant analysis, 3rd ed., Book series No. 3. SSSA, Inc., Madison, WI., USA. pp. 389-428
Brun L.A., Maillet J., Hinsinger P., and Pe´pin M. 2001. Evaluation of copper availability to plants in copper-contaminated vineyard soils. Environmental Pollution, 111: 293–302.
Chaignon V., Sanchez-Neira I., Herrmann P., Jaillard B., and Hinsinger P. 2003. Copper bioavailability and extractability as related to chemical properties of contaminated soils from a vine-growing area. Environmental Pollution, 123: 229–238.
Filgueiras A. V., Lavilla I., and Bendicho C. 2002. Chemical sequential extraction for metal partitioning in environmental solid samples. Journal of Environmental Monitoring, 4(6): 823-857.
Force M.J. La, and Fendorf S. 2000. Solid-Phase Iron Characterization during common selective sequential extractions. Soil Science Society of America Journal, 64:1608- 1615.
Ghafarinejad A., and Karimian N. 2007. Determination of chemical forms of Mn in relation to Soybean response in some soils of Fars province. Journal of Scientific and Technological Agriculture and Natural Resources, 1: 125-135. (In Persian)
Gleyzes Ch., Tellier S., and Astruc M. 2002. Fractionation studies of trace elements in contaminated soils and sediments: a review of sequential extraction procedures. Analytical chemistry, 21(6-7): 451-467.
Golestani Fard A.R., Mirseyed Hosseini H., Aryan A., Abbaszadeh Dahaji P., and Tafvizi M. 2015. Changes of chemical forms of Zinc in the rhizosphere of some turnip and radish cultivars. Journal of Soil Management and Sustainable Production, 4(4):193-214. (In Persian)
Gunkel P., Roth E., and Fabre B. 2004. Sequential extraction of copper from soils and relationships with copper in maize. Environmental Chemistry Letters, 2:99–103.
Hamdoun H., Leleyter L., Van-Veen E., Coggan J., Basset B., Lemoine M., and Baraud F. 2015. Comparison of three procedures (single, sequential and kinetic extractions) for mobility assessment of Cu, Pb and Zn in harbour sediments. Comptes Rendus Geoscience. http://dx.doi.org/10.1016/j.crte.2015.03.003.
Li X., Coles B. J., Ramsey M. H., and Thornton I. 1995. Sequential extraction of soils for multielement analysis by ICP-AES. Chemical Geology, 124: 109-123.
Liang J., Stewart J.W.B., and Karamanos R. E. 1991. Distribution and plant availability of soil copper fractions in Saskatchewan. Canadian Journal of Soil Science, 71: 89- 99.
Lindsay W. L., and Norvell W. A. 1978. Development of a DTPA soil test for zinc, iron, manganes and copper. Soil Science Society of America Journal, 42: 421-428.
Luo Y.M. and Christie, P. 1996. Chemical fractions of copper and zinc in organic-rich particles from aqueous extracts of a metal-contaminated granite soil. Communications in Soil Science and Plant Analysis, 27: 2973-2986.
Ma Y.B., and Uren N.C. 1995. Application of a new fractionation scheme for heavy metals in soils. Communications in Soil Science and Plant Analysis, 26: 3291- 3303.
Martin N., Schuster I; Peiffer, S. 1996. Two experimental methods to determine the speciation of Cadmium in sediment from the river Neckar. Acta Hydrochimca Hydrobiologica, 24: 68-76.
Mclaren R.G., and Crawford D.V. 1973. Studies on soil copper: I. The fractionation of copper in soils. Europian Journal of Soil Science, 24: 172-181.
Miller W.P., Martens D.C; and Zelazny, L.W. 1986. Short term transformation of copper in copper amended soils. Journal of Environmental Quality, 16: 176- 181.
Mullins G.L., Martens D.e., Miller W.P., Kornegay E.T., and Hallock D.L. 1982. Copper availability, form, and mobility in soils from three annual copper enriched hog manure applications. Journal of Environmental Quality, 11: 316-320.
Omueti J.A. I. 1981. The effect of H2O2 and NaOCl pretreatment for organic matter removal on selected mineral constituents in some Nigerian soils. Communications in Soil Science and Plant Analysis, 12(2): 139-146.
Pickering W.F. 1986. Metal ion speciation-soils and sediments (a review). Ore Geology Reviews, 1: 83- 146.
Qingsong H., Yue R., Ibrahim M., Maha A., Waseem H., and Fangui Z. 2013. Assessment of Trace and Heavy Metal Distribution by Four Sequential Extraction Procedures in a Contaminated Soil. Soil and Water Research, 8: (2): 71–76.
Rahman Khan M. A. 2001. Transformation and plant availability of copper pasture soils. Ph. D thesis of Soil Sciences. Massey University, Palmerston North, New Zealand. 260 p.
Reyhanitabar A., Karimian N., Ardalan M., Savaghebi Gh. R., and Ghanadha M.R. 2006. Distribution of different forms of Zn and its relation with soil properties in some calcareous soils of Tehran province. Journal of Scientific and Technological Agriculture and Natural Resources, 3: 125-135. (In Persian)
Salomons W. and Forstner U. 1984. Metals in the hydrocycle. Springer-Verlag, Berlin, Heidelberg, New York, Tokyo, 267p.
Shuman L.M. 1985. Frsctionation method for soil microelements. Soil Science, 140: (1): 11-22.
Shuman L.M. 1983. Sodium hypochlorite methods for extracting micronutrients and their distribution among fractions. Soil Science Society of America Journal, 47: 656-660.
Singh J.P., Karwasra S.P.S., and Singh M. 1988. Distribution and forms of copper, Iron, manganese, and Zinc in calcareous soils of Iindia. Soil Science, 146(5): 359- 366.
Sposito G., Lund L.J., and Chang A.C. 1982. Trace metal chemistry in arid zone field soils amended with sewage sludge: I. Fractionation of Ni, Cu, Zn, Cd, and Pb in soil phases. Soil Science Society of America Journal. 46: 260–264.
Stevenson F.J. and Fitch A. 1981. Reactions with organic matter. In J. F. Loneragan, A.D. Robson and R.D. Graham. (Eds.), Copper in soils and plants. Academic press, Newyork. pp. 69-95.
Tessier A., Campbell P.G.C., and Bission M., 1979. Sequential extraction procedure for the speciation of particulate trace metals. Analytical Chemistry, 51: 844-851.
Vandenhove H., Vanhoudt N., Duquene L., Antunes K., and Wannijn L. 2014. Comparison of two sequential extraction procedures for uranium fractionation in contaminated soils. Journal of Environmental Radioactivity, 137: 1-9.
Voegelin A., Tokpa G., Jacquat O., Barmettler K., and Kretzschmar R. 2008. Zinc fractionation in contaminated soils sequential and single extractions: influence of soil properties and zinc content. Journal of Environmental Quality, 37: 1190-1200.
Yu Y., and Zhou Q.X. 2006. Impacts of soybean growth on Cu speciation and distribution in two rhizospher soils. Biology and Fertility of Soils, 42(5): 450- 456.
Zalidis G., Barbayiarinis N., and Matsi T. 1999. Forms and distribution of heavy metals in soils of the axios delta of northern Greece. Communications in Soil Science and Plant Analysis, 30: 817- 827.
Zolfi bavaryani M. and Maftoun M. 2010. Effect of zinc, copper and their chemical forms on growth and chemical composition of rice in a calcareous soil. Journal of Scientific and Technological Agriculture and Natural Resources, 14(54): 111-120. (In Persian)