TY - BOOK AU - Zakrzewski,Sigmund F. TI - Principles of environmental toxicology T2 - ACS professional reference book SN - 0841221251 U1 - 615.9 ZAK 23 PY - 1991/// CY - Washington, DC PB - American Chemical Society KW - Environmental toxicology KW - Pollution N1 - Includes bibliographical references and index ER -