@book{55706,
	author = {Pérez de Ayala, Ramón,},
	title = {Belarmino y Apolonio},
	publisher = {Project Gutenberg,},
	year = {2004},
	address = {Salt Lake City, UT :},
	note = {Release date is 2004-12-10},
	url = {https://www.gutenberg.org/ebooks/14318}
}