@book{15323,
	author = {Olsen, Wilford},
	title = {Parasitología animal},
	publisher = {Aedos, },
	year = {1977},
	series = {Contenido : v.1, El Parasitismo y los protozoos; v.2, Platelmintos acantocefalos y nematelmintos},
	address = {Barcelona : }
}