@book{31123,
	author = {Sainero Sánchez, Ramón.},
	title = {Los orígenes de la leyenda de Breogán /},
	publisher = {Akal,},
	year = {[2013]},
	series = {Básica de bolsillo  ;},
	address = {Tres Cantos, Madrid :},
	url = {https://elibro.net/ereader/politecnicointernacional/49648}
}