Walton, Harold F. Principles & methods of chemical analysis. - New York Prentice-Hall 1952. - 435 p. illus. 22 cm. - Prentice-Hall chemistry series . LCCN: 52009945 //r90 Subjects--Topical Terms: Chemistry , Analytic LC Class. No.: QD73 / .W18 Dewey Class. No.: 543