Mishra, P. C. Advances in ecology and environmental sciences / P. C. Mishra - New Delhi : Ashish, c1995. - xxiii, 651 p. ; ill. ; illus.25 cm. ISBN: 8170246768 LCCN: Subjects--Topical Terms: Environmental scienceEcology LC Class. No.: QH541 / .E57 1995 Dewey Class. No.: 301.31 / M678a