Kroschwitz, Jacqueline I. (Ed.) Kirk-Othmer encyclopedia of chemical technology; vol. 13: Helum to hypnotics - 4th ed. - New York John Wiley 1995 - xxviii, 1100p. p. ISBN: 0-471-52682-7 Subjects--Topical Terms: Chemistry,Technical Encyclopedia ;Chemical technology Dewey Class. No.: 660.03 / KRO