Alvarez, J.M., Lopez-Valdivia, L.M., Novillo, J., Obrador, A., Rico, M.I., 2006. Comparison of EDTA and sequential extraction tests for phytoavailability prediction of manganese and zinc in agricultural alkaline soils. Geoderma 132, 450–463.
Bierck, B.R., Chang, W.C., 1994. Innovative solutions for contaminated waste site management. In Proc., Water Environ. Fed. Specialty Conference, Alexandra, Va, pp, 461-472.
Boruvka, L., Drabek, O., 2004. Heavy metal distribution between fractions of humic substances in heavily polluted soils. Plant soil environment 50 (8) 339–345.
Bouyoucos, G.J., 1936. Direction for making mechanical analysis of soils by the hydrometer method. Journal of Soil Science, 41, 225-228.
Chlopecka, A., Adriano, D.C., 1996. Mimicked in-situ stabilization of metals in a cropped soil: Bioavailability and chemical form of Zinc. Environmental Science & Technology 30, 3294-3303.
Czurda, K.A., Wagner, J.F., 1991. Cation transport and retardation processes in view of the toxic waste deposition problem in clay rocks and clay liner encapsulation. Engineering Geology 30, 103–113.
Dovlati, B, 2015. Leonardite impact on changes in the chemical forms of Cadmium (Cd) and Lead (Pb) in soils derived from different parent materials. Water and Soil Science 25, 165-179. (In Persian)
Gartung, E., Ramke, H.G., 2009. Toolkit landfill technology- Principles of bottom barrier systems, German Geotechnical Society, Nurnberg, Germany.
Gao, Y.J., Zhao, L.H., Zhang, J. and Zhang, Y., 2010. Heavy metal removal from synthetic landfill leachate using oyster shells adsorbent. In E-Product E-Service and E-Entertainment (ICEEE), International Conference on (pp: 1-4). IEEE.
Gondar, D., López, R., Fiol, S., Antelo, J.M., Arce, F., 2006. Cadmium, lead, and copper binding to humic acid and fulvic acid extracted from an ombrotrophic peat bog. Geoderma 135,196–203.
Isavand, F., Pirkharrati, H., Badv, K., Farhadi, Kh., 2012. The Study of molecular diffusion and behavior surface adsorption of Cadmium in landfill soil on Urmia zone. MSc thesis. Urmia University, 88 p.
Itami, K., Yanai, J., 2006. Sorption and desorption properties of cadmium and copper on soil clays in relation to charge characteristics. Soil Science and Plant Nutrition 52(1), 5-12.
Kabata-Pendias, A., Pendias, 2001. Trace Element in Soils and Plants, 2rd edn. CRC, press, USA, 413 p. Kunze, G.W., Dixon, J.B., 1965. Pretreatment for mineralogical analysis. In: Klute A, (Eds.) Methods of Soil Analysis. Part 1. Physical and Mineralogical Methods. 2nd Eds. Soil Sicence Sosiety of American Book Series, No. 5, Madison, WI, pp. 331-362.
Liang, B., Bai, G.l., Wang, Y., 2007. Environmental effect and risk forecast of surface mining on groundwater. Journal of China University of Mining & Technology, 36(3), 315–319. (In Chinese)
Li, Z., Shumam, L.M, 1996. Heavy metal movement in metal contaminated soil profiles. Soil Science, 161, 656-666.
Machovic, V., Mizera, J., Sykorova, I., Borecka, L, 2000. Ion-exhange properties of Czech oxidized coals, Acta Mont, 10 (117), 15–26.
Mojiri, A., Aziz, H.A., Zaman, N.Q., Aziz, S.Q. and Zahed, M.A., 2016. Metals removal from municipal landfill leachate and wastewater using adsorbents combined with biological method. Desalination and Water Treatment, 57(6), pp, 2819-2833.
McLean, J.E., Bledsoe, B.E., 1992. Behavior of Metals in Soils, Ground Water Issue, 29, 851-856.
Mehra, O.P., Jackson, M.L., 1960. Iron oxide removal from soils and clays by a dithionite–citrate system buffered with sodium bicarbonate. Clays and Clay Minerals, 7, 317–327.
Nelson, D.W., and Sommers, L., 1982. Total carbon, organic carbon, and organic matter. Methods of Soil Analysis. Part 2. Chemical and Microbiological Properties, pp. 539-579.
Pampura, T., 1998. Application of sorption isotherm-sequential extraction analysis to the investigation of heavy metals binding by soil Fe-Mn oxides. In Gold Schmidt Conference Toulouse, Pushchino, Moscow region, Russia.
Srivastava, P., Gräfe, M., Singh, B. and Balasubramanian, M., 2007. Cadmium and lead desorption from kaolinite. Developments in Earth and Environmental Sciences, 7, 205-233.
Puls, R.W., Bohn, H.L., 1988. Sorption of cadmium, nickel, and zinc by kaolinite and montmorillonite suspensions. Journal of soil Science. 52, 1289-1292.
Roehl, K.E., Czurda, K.A., 1997. Diffusion and solid speciation of Cd and Pb in clay liners. Applied Clay Science, 12, 387-402.
Salim, I.A., Miller, C.J., Howard, J.L,1996. Sorption isotherm-sequential extraction analysis of heavy metal retention in landfill liners. Soil Science Society of America Journal, 60, 107–114.
Shaheen, S.M., Rinklebe, J., Tsadilas, C., 2013. Fractionation of Cd, Cu, Ni, Pb, and Zn in floodplain soils from Egypt, Germany and Greece. E3S Web of Conferences, published by EDP Sciences.
Silviera, D.J., Sommers, L.E., 1977. Extractability of copper, Zinc, Cadmium, and Lead in soils incubated with sewage sludge. Journal of Environmental Quality, 6(1), 47-52.
Sposito, G., Lung, L.J., 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 Solid Phases. Soil Science Society of America Journal, 46, 260-264.
Tessier, A., Campbell, C., Bisson M., 1979. Sequential extraction procedure for the speciation of the particulate traces metals. Analytical Chemistry, 51, 844–851.
Walkley A. and Black I.A. 1934. Method of total organic carbon determination in soil samples. Soil Science, 37: 29-38.
Walkley, A. and Black, I.A., 1934. An Examination of the Degtjareff Method for Determining Soil Organic Matter, and a Proposed Modification of the Chromic Acid Titration Method. Soil Science, 37(1), pp. 29-38.
Weng, L., Temminghoff, E.J., Van Riemsdijk, W.H., 2001. Contribution of individual sorbents to the control of heavy metal activity in sandy soil. Environment Science Technology, 35, 4436–4443.
Yang, J., Ma, Z., Ye, Z., Guo, X., Qiu, R., 2010. Heavy metal (Pb, Zn) uptake and chemical changes in rhizosphere soils of four wetland plants with different radial oxygen loss. Journal of Environmental Science, 22(5), 696-702.