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020 _a012561540X
040 _cSIUNPA
041 _aeng
044 _a-us
080 _a504.064.3 P826s
100 _aPopek, Emma P..
245 _aSampling and analysis of environmental chemical pollutants
_b : a complete guide
250 _a1st ed.
260 _aSan Diego, Calif.
_b : Academic Press
_c , 2003
300 _aix, 356 p.
_b: il.
650 _a MEDIO AMBIENTE
650 _a CONTAMINANTES
650 _a QUIMICA ANALITICA
942 _cBK
_2udc