@book{87011,
	author = {Balvé, Beba Carmen, 1931-2009},
	title = {Ciencias sociales y sujeto social},
	year = {sep. 1991},
	address = {San José},
	note = {Incluye resumen y nota},
	url = {http://163.178.170.74/wp-content/revistas/53/balve.pdf}
}