@book{81979,
	author = {Smail, R. C.},
	title = {Crusading warfare, 1097-1193 /},
	publisher = {Cambridge University Press,},
	year = {1995.},
	address = {Cambridge [England] :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/description/cam027/95128120.html}
}