Buttle, J. W. Chemistry : a unified approach / J. W. Buttle, D. J. Daniels and P. J. Beckett. - London : Butterworths, c 1966. - viii, 538 p. : ill. ; 22 cm. Includes index. 319 319 Subjects--Topical Terms: Chemistry. Dewey Class. No.: 540 / B983c