Gregg, Donald Crowther Principles of chemistry [by] Donald C. Gregg. - 3d ed. - Boston Allyn and Bacon [1968] - xvi, 717 p. illus. 23 cm. Bibliography: p. 677-680. LCCN: 68021469 Subjects--Topical Terms: Chemistry LC Class. No.: QD31 / .G817 1968 Dewey Class. No.: 540