@book{84855,
	author = {Zhang, Rui.},
	title = {Relation based access control /},
	publisher = {IOS Press :},
	year = {2010.},
	series = {Studies on the Semantic Web,},
	address = {Heidelberg, Germany :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10827956}
}