Houk, Clifford C., frey50 Chemistry : concepts and problems : a self-teaching guide / Clifford C. Houk, Richard Post. - 2nd ed. - New York : Wiley, c1996. - xiii, 303 p. : ill. ; 24 cm. - Wiley self-teaching guides . Includes index. ISBN: 0471121207 (alk. paper) 9780471121206 (alk. paper) LCCN: 96151753 Subjects--Topical Terms: Chemistry--Programmed instruction. Dewey Class. No.: 540.77 Hou 11