@book{41718,
	author = {Casanovas, Domingo. and Beltrán Guerrero, Luis,},
	title = {La duda peregrina, una breve historia de la filosofía },
	editor = {Talls. Tip. Ariel)},
	publisher = {[s.n., },
	year = {1953] (},
	address = {Caracas, etc. : }
}