Snell, Foster Dee. 1898- Commercial methods of analysis / Foster Dee Snell and Frank M. Biffen with photomicrographs by George Lord. - 1st ed. - New York : McGraw-Hill Book Company, inc., c1944. - vii,753p. : ill. ; 22 cm. - International chemical series . Includes index. english LCCN: 44009052 Subjects--Topical Terms: Chemistry, Analytic--Quantitative.Chemistry, Technical. LC Class. No.: QD131 / .S55 Dewey Class. No.: 545/SNC