Scott, W. A. H. frey50 Chemistry basic facts / William A.H. Scott. - 5th ed. - Glasgow : HarperCollins, 2001. - 282 p. : ill. (chiefly col.) ; 13 cm. - Collins gem . Originally published: 1982. ISBN: 0007103212 Nat. Bib. No.: Subjects--Topical Terms: Chemistry--Dictionaries.