TY - BOOK AU - Reynolds,Tom D. AU - Richards,Paul A. TI - Unit operations and processes in environmental engineering SN - 0534948847 (acidfree paper) AV - TD430 .R48 1996 U1 - 628.162 20 PY - 1996/// CY - Andorer PB - Cengage Learning KW - Water KW - Purification KW - Sewage KW - Problems, exercises, etc N1 - H.B; Includes bibliographical references and index ER -