@book{106011,
	author = {González Reyes, Francisco Javier},
	title = {Comportamiento productivo de cinco variedades de alfalfa (Medicago sativa L.)},
	publisher = {El autor,},
	year = {2013.},
	address = {Chapingo, Méx. :},
	note = {Para ver el contenido del material haga clic en la liga},
	url = {http://10.13.5.2/tesis/sist109549.pdf}
}