@book{50492,
	author = {Capa, Cornell. and Stycos, J. Mayone.},
	title = {Al margen de la vida},
	publisher = {Programmas internacionales de Poblacion, Population Reference Bureau},
	year = {1974.},
	address = {Bogotá (Colombia)},
	note = {Translation of: Margin of life.}
}