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by National Research Council of Canada Associate Committee on Scientific Criteria for Environmental Quality.;
Year: 1981., Callno: 632.95.024 POL [Q]
Book
by National Research Council of Canada Subcommittee on Pesticides and Industrial Organic Chemicals.;
Year: 1981., Callno: 638.158.2 NAT [Q]
Book
by Canada. National Research Council. Associate Committee on Scientific Criteria for Environmental Quality.;
Year: 1980., Callno: 614.8 CAS [Q]
Book