@book{22904,
	author = {Aldred, David H.},
	title = {Castles and cathedrals :},
	publisher = {Cambridge University Press,},
	year = {1993.},
	address = {Cambridge ;},
	note = {Series from p. [4] of cover.},
	url = {http://www.loc.gov/catdir/description/cam026/94109036.html}
}