Sharpe, D.W.A. The penguin dictionary of chemistry / edited by D.W.A. Sharpe. - 3rd ed / . - England : Penguin Books , 1981. - ix, 434p. : ill.,fig. ; 19cm . NULL ISBN: RS250.00 (pbk) Subjects--Index Terms: DICTIONARY-CHEMISTRY Dewey Class. No.: 540.3 / SHA/P