@book{38385,
	author = {Strahm, Rudolf H., and Oswald  Spring, Ursula, and Universidad Nacional Autónoma de Mâexico},
	title = {Por ésto somos tan pobres /},
	publisher = {UNAM, Centro Regional de Investigaciones Multidisciplinarias, Coordinación de Humanidades,},
	year = {1990.},
	address = {Cuernavaca, Mexico :}
}