@book{992,
	author = {NEBERGALL, WILLIAM H. and HOLTZCLAW, HENRY F.},
	title = {COLLEGE CHEMISTRY: },
	publisher = {HEATH AND COMPANY},
	year = {1980},
	address = {LEXINGTON, MASS.: },
	edition = {6},
	note = {INCLUYE BIBLIOGRAFIAS E INDICE.}
}