@book{63360,
	author = {Simak, Clifford D.,},
	title = {Project Mastodon},
	publisher = {Project Gutenberg,},
	year = {2007},
	series = {First published in March 1955 Galaxy and the etext was produced from the anthology "All the Traps of Earth and other stories".},
	address = {Salt Lake City, UT :},
	note = {Release date is 2007-08-02},
	url = {https://www.gutenberg.org/ebooks/22216}
}