@book{145264,
	author = {Sánchez Martínez, Concepción.},
	title = {Estudio historico-artistico de la iglesia de Nuestra Señora del Portillo de Zaragoza},
	publisher = {Institución "Fernandez el Católico" (C.S.I.C.)},
	year = {[1983]},
	series = {Monumentos de Aragon},
	address = {Zaragoza},
	note = {Revision of the author's thesis (licenciatura)--Universidad de Zaragoza, 1976.}
}