@book{169858,
	author = {González Reyes, Francisco Javier and  Alejos de la Fuente, José Isidro, asesor},
	title = {Comportamiento productivo de cinco variedades de alfalfa (Medicago sativa)  /},
	publisher = {El autor,},
	year = {2013},
	address = {México  :},
	url = {http://10.13.5.2/tesis/sist109549.pdf}
}