@book{163208,
	author = {Cottral, George E},
	title = {Manual de métodos estandarizados en microbiología veterinaria  /},
	publisher = {La Prensa Médica Mexicana,},
	year = {1978},
	address = {México, D. F.  :},
	note = {Trad. de : Manual of standarized methods for veterinary microbiology}
}