TY - BOOK ED - India. Ministry of Science and Technology Department of Scientific and Industrial Research TI - Technology in Indian water and effluent treatment plant industry: a status report prepared under the national register of foreign collaborations U1 - 628.3620954 21st PY - 1993/// CY - New Delhi PB - Ministry of Science and Technology KW - Water-Purification; Sewage-Purification ER -