Knight, Allen W. Water pollution : a guide to information sources / Allen W. Knight, Mary Ann Simmons. - Detroit, Mich. : Gale Research Co., c1980. - xvii, 278 p. ; 22 cm. - Man and the environment information guide series ; v. 9 . Vita. Includes indexes. Bibliography: p. 239-243. ISBN: 0810313464 : $28.00 LCCN: 73017537 Subjects--Topical Terms: Water--Pollution--Documentation. LC Class. No.: TD423 / .K54 Dewey Class. No.: 016.6411 / KNW 1980