@book{92876,
	author = {Sáenz Gómez, Omar.},
	title = {Efecto de la virginiamicina sobre el pH ruminal y la acidosis ruminal subaguda en vacas Holstein Friesian de la Comarca Lagunera /},
	publisher = {El autor,},
	year = {2006.},
	address = {Bermejillo, Dgo. :},
	url = {http://10.13.5.2/tesis/104429.pdf}
}