@book{77654,
	author = {Ritrovato, Pierluigi. and ebrary, Inc.},
	title = {Towards the learning grid},
	publisher = {IOS Press,},
	year = {c2005.},
	series = {Frontiers in artificial intelligence and applications ;},
	address = {Washington, DC :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10130660}
}