Dara, S.S. . A Text Book of Environmental Chemistry and Pollution Controll / Textual Documents S.S. Dara. - 1st ed. / - New Delhi : S. Chand & Company , 1993. - ix, 214p. : ill. ; 23cm. . Index ISBN: Rs. 40.00 (PB) Subjects--Index Terms: Chemistry-Environment Environmental Chemistry Environment-Chemistry Pollution Controll Pollution PG-Chemistry Dewey Class. No.: 540.55 / Da 24 En