Swarup R Ed. Environmental health, education and public understanding Swarup R Ed.; Mishra S N Ed.; Jauhari V P Ed. - New Delhi Mittal Pub 1992 - p. cm. - Encyclopedia of Ecology, Environment and Pollution control; 2 . Standard No.: 56057 Source: Reference Collections Subjects--Topical Terms: EnvironmentEcology Dewey Class. No.: G:55, N2.2 RR