TY - BOOK AU - Palharya, J.P. AU - Siriah, V.K. AU - Shobha, Malviya TI - Environmental impact of sewage and effluent disposal on river system / SN - 81-7024-540-0 U1 - 363.728 4 PY - 1993/// CY - New Delhi PB - Ashish Publishing House KW - Environment KW - Sewage KW - Rivers ER -