@book{11966,
	author = {BOLIVAR ZAPATA, FRANCISCO, 1948-      . and EL COLEGIO NACIONAL, ED.},
	title = {OBRA CIENTIFICA. TRABAJOS SELECCIONADOS/ },
	publisher = {EL COLEGIO NACIONAL},
	year = {1997},
	series = {COLECCION OBRAS DE FRANCISCO BOLIVAR ZAPATA},
	address = {MEXICO: },
	edition = {1}
}