@book{87496,
	author = {Vázquez Pérez, Gilberto.},
	title = {Abordaje quirurgico lateral a la cloaca para vasectomizar aves},
	publisher = {El autor,},
	year = {2003},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/99013.pdf}
}