TY - BOOK AU - Pryde,Lucy T. TI - Chemistry of the water environment AV - TD420 .P74 U1 - 628.1/6 PY - 1973///] CY - Menlo Park, Calif. PB - Cummings Pub. Co. KW - Water KW - Pollution KW - Local KW - Purification N1 - Reprint of ch. 6 of the author's Environmental chemistry; Bibliography: p. 231 ER -