@book{144390,
	author = {Estella Alvarez, María Concepción.},
	title = {El viñedo en Aragón},
	publisher = {Institución "Fernando el Católico"},
	year = {[1981?]},
	series = {Tesis doctorales},
	address = {Zaragoza},
	note = {Abstract of the author's thesis (doctoral--Zaragoza, 1978) under the title: El viñedo en el Nordeste de España.}
}