@book{35928,
	author = {Parra, Ernesto and Aguirrezábal, Isabel},
	title = {Suramérica 76:},
	publisher = {Centro de Investigación y Educación Popular, CINEP},
	year = {1976},
	address = {Bogotá},
	note = {Directores Ernesto Parra Escobar y Fernán González González}
}