TY - BOOK AU - Eckenfelder,W.Wesley, x AU - x TI - Industrial Water Pollution Control: x SN - 007018903X U1 - 628.74/E19i PY - 1989/// CY - New York ; London PB - McGraw - Hill KW - Sewage - Purification KW - Factory and Trade Waste N1 - Includes ER -