@book{72093,
	author = {Nelken Mansberger, Margarita, 1896-1968},
	title = {Castilla en su Santa},
	year = {oct. 1967},
	address = {México},
	note = {Incluye nota},
	url = {http://www.uned.es/bieses/Nelken/Nelken-3.pdf}
}