@book{157997,
	author = {López de Ayala, Ignacio. and Vázquez, Bartolomé,},
	title = {Historia de Gibraltar / },
	publisher = {por don Antonio de Sancha, },
	year = {1782.},
	address = {En Madrid : },
	url = {http://bdh-rd.bne.es/viewer.vm?id=0000079213&page=1 }
}