@book{15765,
	author = {Basto Gómez, Gustavo and Fierro G., Luis Humberto},
	title = {La vaca lechera de la familia campesina /},
	publisher = {Corporación Colombiana de Investigación Agropecuaria, Corpoica,},
	year = {1999.},
	address = {Mosquera :}
}