Wynn, Charles M. Laboratory experiments for chemistry: a basic introduction /por Charles M. Wynn and Gary A. Joppich - Belmont, Cal. : Wadswort Publishing Company, 1978 - 179 p. : ilus. LCCN: 98266 Subjects--Topical Terms: Química--Experimentos.Química--Manuales de laboratorio. Dewey Class. No.: 542.1 / W99