@book{92005,
	author = {Keith, Donald and Gaughan, Jack,},
	title = {Butterfly 9},
	publisher = {Project Gutenberg,},
	year = {2016},
	series = {Produced from Galaxy Science Fiction January 1957},
	address = {Salt Lake City, UT :},
	note = {Release date is 2016-02-10},
	url = {https://www.gutenberg.org/ebooks/51167}
}