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020			_a063205848X
040			_cSIUNPA
041			_aeng
044			_a-us
080			_a543 C517c2
245			_aChemical speciation in the environment _c / Ure, A.M., ed. ; Davidson, C.M., ed.
250			_a2nd ed.
260			_aMalden, Mass. _b : Blackwell Science _c , 2002
300			_axvi, 451 p. _b: il.
650			_a QUIMICA ANALITICA
942			_cBK _2udc