Sinha, B.N.. Ecosystem degradation in India / B.N. Sinha. - New Delhi : Ashish Publishing House , 1990. - xii,477p. : ill.,figs.,maps,tables ; 24cm. . NULL ISBN: 8170243580 Rs. 400.00 Subjects--Index Terms: ECOSYSTEMS-INDIA Dewey Class. No.: 577.0954 / SIN/E