Mortimer, Charles E. Chemistry : a conceptual approach / Charles E. Mortimer. - 3rd ed. - New York : D. van Nostrand, c 1975. - xii, 756 p. : ill. ; 25 cm. Includes index. 63 63 ISBN: 0-4422-5554-3 Subjects--Topical Terms: Chemistry. Dewey Class. No.: 540 / M844c