@book{70303,
	author = {Leinster, Murray,},
	title = {Invasion},
	publisher = {Project Gutenberg,},
	year = {2009},
	series = {Produced from Astounding Stories March 1933.},
	address = {Salt Lake City, UT :},
	note = {Release date is 2009-07-19},
	url = {https://www.gutenberg.org/ebooks/29455}
}