333.7TRI 8427 Thirumurthy, A.M. PRINCIPLES OF ENVIRONMENTAL SCIENCE, ENGINEERING AND ,MANAGEMENT . – MUMBAI : SHROFF PUBLISHERS & DISTRIBUTORS PVT. LTD.. 246, 27 p. ISBN 81-7366-377-7 . Subjects--Topical Terms: ENVIRONMENTAL SCIENCE Dewey Class. No.: 333.7 / TRI