00613nam a2200205   450000500170000000600040001700700040002100800040002502000180002904000090004705000230005610000210007924501220010025000120022226000580023430000230029250000320031565000290034770000310037620170404104147.0000000000  a9781439804100  aUOEL  aQH545b.A1L35 2011  aLandis, Wayne G.  aIntroduction to environmental toxicology : cby Wayne G. Landis  bmolecular substructures to ecological landscapes /  a4th ed.  aLondon :bCRC Press Taylor and Francis Group,cc2011.  axx, 514 p. :bill.  aIncludes index and appendix  aEnvironmental toxicology  aSofield M.Ruth, Ming-Ho Yu