@book{169846,
	author = {Cid Benitez, Edgar and  Ayala Oseguera, José, director },
	title = {Utilización del ionóforo lasalocida en vacas lecheras durante el periodo de transición  /},
	publisher = {El autor,},
	year = {2013},
	address = {México  :},
	url = {http://10.13.5.2/tesis/sist108856.pdf}
}