@book{48978,
	author = {Cornford, Francis Macdonald ( and Guthrie, William Keith Chambers.},
	title = {La filosofía no escrita y otros ensayos / },
	publisher = {Ariel, },
	year = {[1974]},
	series = {Ariel quincenal},
	address = {Esplugues de Llobregat : }
}