@book{83665,
	author = {Calderon de la Barca, Pedro and Ebersole, Alva Vernon},
	title = {La desdicha de la voz (1639)},
	publisher = {Editorial Castalia},
	year = {1970]},
	address = {[Madrid},
	edition = {2 éd.},
	note = {Based on the autograph manuscript held in Biblioteca Nacional in Madrid.}
}