@book{2439,
	author = {INSTITUTO NACIONAL DE ESTADISTICA,  GEOGRAFIA E INFORMATICA (MEXICO).},
	title = {ESTADISTICAS DEMOGRAFICAS/ },
	publisher = {INEGI},
	year = {1992},
	address = {MEXICO: },
	note = {CUADERNOS DE POBLACION. \ ISSN 0187-6171.}
}