Hepler, Loren G. Chemical principles by Loren G. Hepler. - New York Blaisdell Pub. Co. [1964] - xi, 505 p. illus. 24 cm. - A Blaisdell book in the pure and applied sciences . LCCN: 64010209 Subjects--Topical Terms: Chemistry LC Class. No.: QD33 / .H52 Dewey Class. No.: 541