@book{95166,
	author = {Osorio Cruz, Filiberto},
	title = {Rentabilidad de la producción de pie de cría ovino},
	publisher = {El autor,},
	year = {2007},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/106781.pdf}
}