Sherwin, Ernest. Chemistry of the non-metallic elements / by E. Sherwin and G. J. Weston. - [1st ed.] - Oxford ; New York : Pergamon Press, 1966. - ix, 190 p. : illus. ; 20 cm. - The commonwealth and international library. Intermediate chemistry division . - 546.7 . Nat. Bib. No.: GB66-6365 Subjects--Topical Terms: Chemistry, Inorganic Dewey Class. No.: 546.7