Ayres, Gilbert H. Quantitative chemical analysis. - New York, Harper [1958] - 726 p. illus. 25 cm. LCCN: 58011587 Nat. Bib. No.: GB65-7567 Subjects--Topical Terms: Analytical chemistry--Quantitative. LC Class. No.: QD101 / .A97 Dewey Class. No.: 545/AYQ