Herron, J. Dudley 1936- Understanding chemistry : a preparatory course / J. Dudley Herron. - 2nd ed. - New York : Random House, c1986. - xxii, 485 p. : ill. ISBN: 0394340434 : $27.95 Subjects--Topical Terms: Chemistry. LC Class. No.: QD31.2 / .H49 1986 Dewey Class. No.: 540�19