TY - BOOK AU - Spellman,Frank R. AU - Whiting,Nancy E. TI - Water pollution control technology: concepts and applications SN - 0865876606 (hardcover) AV - TD365 .S64 1999 U1 - 628.1 21 PY - 1999/// CY - Rockville, Md. PB - Governement Institutes KW - Water quality management KW - Sewage KW - Purification KW - Local KW - Water KW - Pollution N1 - Includes bibliographical references and index ER -