@book{65355,
	author = {Gh�edira, Khaled. and ebrary, Inc.},
	title = {Constraint satisfaction problems},
	publisher = {ISTE ;},
	year = {2013.},
	series = {Computer engineering and IT series},
	address = {London :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10658422}
}