@book{99603,
	author = {Vicencio Pérez, Javier. and Sagarnaga Villegas, Leticia Myriam},
	title = {Diagnostico de la ovinocultura en el Municipio de San Fernando, Tamaulipas},
	publisher = {El autor,},
	year = {2010.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/111261.pdf}
}