@book{169842,
	author = {Antonio Contreras, Jazmín and  Hernández Garay, Alfonso, asesor},
	title = {Rendimiento de pasto ballico perenne solo y asociado con ovillo y trébol blanco  /},
	publisher = {El autor,},
	year = {2013},
	address = {México  :},
	url = {http://10.13.5.2/tesis/sist108844.pdf}
}