@book{169928,
	author = {Torres Bribiesca, Jorge and  Hernández Garay, Alfonso, asesor },
	title = {Rendimiento de forraje de cinco variedades de alfalfa (Medicago sativa L.)  /},
	publisher = {El autor,},
	year = {2012},
	address = {México  :},
	url = {http://10.13.5.2/tesis/115106.pdf}
}