@book{104877,
	author = {Fyfe, H. B. and Valigursky, Ed,},
	title = {Calling World-4 of Kithgol},
	publisher = {Project Gutenberg,},
	year = {2020},
	series = {Produced from Planet Stories January 1952},
	address = {Salt Lake City, UT :},
	note = {Release date is 2020-12-15},
	url = {https://www.gutenberg.org/ebooks/64053}
}