Gallay Wilfred and Others Scientific Committee on Problems of the Environment. Working group on Methodology of determination of Toxic Substance in the Invironment Environmental Pollutants-Selected Analystical Methods(Scope6), Cam - - London Butterworths 1975 - xiv, 276 p. ISBN: ISSN: Subjects--Index Terms: Ptoblems of the Environment Dewey Class. No.: 628.5