@book{25547,
	author = {Calle Vélez, Hernán and Vélez Marulanda, José,},
	title = {Subproductos del Café /},
	publisher = {Federación Nacional de Cafeteros de Colombia,},
	year = {1977.},
	series = {Boletín Técnico No.6},
	address = {[Place of publication not identified] :}
}