@book{81702,
	author = {Various},
	title = {Encyclopaedia Britannica, 11th Edition, "Justinian II." to "Kells" :},
	publisher = {Project Gutenberg,},
	year = {2012},
	address = {Salt Lake City, UT :},
	note = {Release date is 2012-09-25},
	url = {https://www.gutenberg.org/ebooks/40863}
}