TY - BOOK AU - Spellman,Frank R. TI - Handbook of water and wastewater treatment plant operations SN - 9781466553378 (alk. paper) U1 - 628.162 22 KW - Water treatment plants KW - Handbooks, manuals, etc KW - Sewage disposal plants KW - Water KW - Purification KW - Sewage N1 - Includes bibliographical references and index ER -