TY - BOOK ED - CHEMICAL ENGINEERING DIVISION TI - PROCEEDINGS OF THE SEMINAR ON ENVIRONMENTAL POLLUTION DUE TO MINING, METALLURGICAL AND CHEMICAL INDUSTRIES U1 - D854 PY - 1974/// CY - CALCUTTA PB - THE INSTITUION OF ENGINEERS (INDIA) KW - ENVIRONMENTAL POLLUTION-SEMINAR KW - CIVIL ENGINEERING ER -