@book{89778,
	author = {Reyes Dionicio, Juan Manuel and Zacatula Mier, Heriberto},
	title = {Sistemas de crianza de becerros en ganado de doble propósito /},
	publisher = {El autor,},
	year = {2004.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/101307.pdf}
}