@book{105525,
	author = {Aycock, Roger D.,},
	title = {Ultimatum},
	publisher = {Project Gutenberg,},
	year = {2021},
	series = {Produced from Planet Stories Spring 1950},
	address = {Salt Lake City, UT :},
	note = {Release date is 2021-03-05},
	url = {https://www.gutenberg.org/ebooks/64702}
}