@book{35744,
	author = {Boylan, Eugene.},
	title = {Dificultades en la oración mental / },
	editor = {Estades)},
	publisher = {Rialp, },
	year = {1951 (},
	series = {Patmos ; },
	address = {Madrid : },
	edition = {[1ª ed. española].}
}