@book{34925,
	author = {Olsen, Oliver Wilford.},
	title = {Parasitología animal},
	publisher = {Aedos,},
	year = {1977},
	series = {Biblioteca veterinaria Aedos},
	address = {Barcelona :},
	note = {Trad. de la 3 ed. en inglés de 1974}
}