@book{12475,
	author = {Jupp, Edmund W. and ebrary, Inc.},
	title = {Roof watching},
	publisher = {Intellect,},
	year = {c2002.},
	series = {Watching series},
	address = {Bristol, UK ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10018384}
}