Srivastava, Smriti. Environmental science / Smriti Srivastava. - 3rd ed. - New Delhi : S.K. Kataria & Sons, 2011. - xiv, 328 p. : ill. ; 24 cm. Includes Index. ISBN: 9788189757458 Subjects--Topical Terms: Environmental Science Dewey Class. No.: 363.7