@book{85147,
	author = {Oman, Charles,},
	title = {The Art of War in the Middle Ages A.D. 378-1515},
	publisher = {Project Gutenberg,},
	year = {2013},
	address = {Salt Lake City, UT :},
	note = {Release date is 2013-11-30},
	url = {https://www.gutenberg.org/ebooks/44308}
}