Buttle, J. W. Chemistry: a unified approach / [by] J. W. Buttle, D. J. Daniels [and] P. J. Beckett. - 2nd ed. - London : Butterworths, 1970. - x, 560 p. : illus. ; 23 cm. Bibliography: p. 548. ISBN: 0408700122 LCCN: 72180011 Nat. Bib. No.: B71-29186 Subjects--Topical Terms: Chemistry. LC Class. No.: QD33 / .B94 1970 Dewey Class. No.: 540