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Evidence for movement of heavy metals in a soil irrigated with untreated wastewater
(American Society of Agronomy, 1986)
Fractionation of Zn, Cu, Cr, and Ni in wastewaters, solids and in soil.
(Universita degli Studi di Pisa, Istituto di Chimica Agraria, 1980)
Extraction by barium salts of heavy metals from two chilean soils
(Soil Science Society of America, 1984)