@book{35938,
	author = {Parra Escobar, Ernesto and De Roux, Francisco},
	title = {Colombia 1974:},
	publisher = {Centro de Investigación y Acción Social, CIAS},
	year = {1975},
	address = {Bogotá},
	note = {Directores Ernesto Parra Escobar y Fernán González}
}