@book{169518,
	author = {Montero Hernández, Marcos and  Espejel García, Anastacio, asesor},
	title = {La bioseguridad en granjas porcinas  /},
	publisher = {El autor,},
	year = {2011},
	address = {Chapingo, México  :},
	url = {http://10.13.5.2/tesis/113336.pdf}
}