@book{289081,
	author = {Arpini, Adriana and Dufour de Ortega, Ana L.},
	title = {Introducción a la problemática filosófica / Adriana Arpini, Ana L. Dufour de Ortega},
	publisher = {El Ateneo},
	year = {1992},
	address = {Buenos Aires},
	edition = {4a ed.}
}