@book{128544,
	author = {Vel�asquez, Juan D. and Palade, Vasile, and ebrary, Inc.},
	title = {Adaptive web sites},
	publisher = {IOS Press,},
	year = {c2008.},
	series = {Frontiers in artificial intelligence and applications. Knowledge-based intelligent engineering systems ;},
	address = {Amsterdam :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10216821}
}