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    • Schalscha B., Eduardo; Escudero, Paula; Salgado, P.; Ahumada Torres, Aída Inés de Lourdes (MARCEL DEKKER INC, 1999)
      Soil samples from a field irrigated with untreated industrial and municipal wastewater for several decades and from a field not receiving wastewater (control) were analyzed for total copper (Cu) and zinc (Zn) and for the ...