Nentwig, J. Organic chemistry made easy / by Joachim Nentwig, Manfred Kreuder [and] Karl Morgenstern. - New York : VCH Publishers, 1992. - 558 p. : ill. - Chemstry made easy. . ISBN: 1560815485 LCCN: 92045127 Subjects--Topical Terms: Chemistry, Organic.