@book{318,
	author = {Oman, Charles,},
	title = {A history of the art of war in the Middle Ages /},
	publisher = {Greenhill Books ;},
	year = {1998.},
	series = {Greenhill military paperbacks},
	address = {London :},
	note = {Originally published: London, Methuen & co. ltd., 1924.}
}