Rudd, R.L. Environmental toxicology:a guide to information sources - Gale Research Company Michigan 1977 - Environmental toxicology Environmental pollution International Environmental pollution Unintended Environmental pollution ISBN: 0-8103-1342-1 = Rudd, R.L. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: 2758 Nat. Bib. Agency Control No.: 577.4(026) RUD Subjects--Topical Terms: Environmental Sciences Universal Decimal Class. No.: 577.4(026)