Thanh, N.C . Environmentally-sound water management / edited by N.C.Thanh and Asit K. Biswas. - Delhi : Oxford University Press , 1993. - 276p. : chart ; 21cm . Includes index ISBN: 019562744X Rs. 250.00 Subjects--Index Terms: ENVIRONMENT MANAGEMENT Dewey Class. No.: 333.91068 / THA/E