Bahl, B.S. . Elementary Chemistry: A Modern Approach / Textual Documents B.S. Bahl, G.D. Sarma and A. Bahl. - 3rd ed. / - New Delhi : S. Chand & Company , 1982. - vi, 692p. : ill. ; 22cm . Index ISBN: PB Subjects--Index Terms: Chemistry-Elementary PG-Chemistry G-Chemistry Dewey Class. No.: 540 / Ba 147 El