TY - BOOK ED - International Association on Water Pollution Research TI - Phosphate Removal in Biological Treatment Processes T2 - Water science and technology; v 15 No. 3/4 SN - 008030462 U1 - 628.39 PY - 1983/// CY - Oxford PB - Pergamon Press KW - CONTAMINACION DEL AGUA KW - ANALISIS DEL AGUA ER -