Gopal, Krishna. River pollution in India and its management / Krishna Gopal, Anil Kumar Agarwal. - New Delhi : A.P.H. Publishing Corp., 2003 - xii, 279 p. : ill. ; 23 cm. Includes index. ISBN: 8176484458 Subjects--Topical Terms: Water -- Pollution -- India. ; Stream ecology -- India. Universal Decimal Class. No.: 363.73940954