Palharya, J. P. Environmental impact of sewage and effluent disposal on the river system / J. P. Palharya and V. K. Siriah - New Delhi : Ashish, c1993. - xii,180 p. : ill. ; 22 cm. ISBN: 8170245400 LCCN: Subjects--Topical Terms: SewageWaste disposal river system LC Class. No.: TD195 / .T7 1993 Dewey Class. No.: 363.7 / P162e