Rajvaidya, Neelima. Environmental analysis and instrumentation / Neelima Rajvaidya and Dilip Kumar Markandey. - New Delhi : A.P.H., c 2005. - xxxi, 367 p. : ill. ; 23 cm. Includes index. 344 344 ISBN: 81-7648-790-2 Subjects--Topical Terms: Environmental monitoring. Dewey Class. No.: 363.73 / R137e