@book{72459,
	author = {Valera, Juan,},
	title = {El Superhombre y otras novedades},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Release date is 2010-03-12},
	url = {https://www.gutenberg.org/ebooks/31613}
}