@ { ,
	title = {Security in Virtual Worlds, 3D Webs, and Immersive Environments: Models for Development, Interaction, and Management},
	year = {2011},
	pages = {284-305},
	publisher = {IGI Global},
	chapter = {Access Control Model for Dynamic VR Applications},
	isbn = {9781615208913 },
	doi = {10.4018/978-1-61520-891-3.ch013},
	url = {http://www.igi-global.com/chapter/access-control-model-dynamic-applications/49526},
	author = {A. W{\'o}jtowicz and Wojciech Cellary},
	editor = {Alan Rea}
}
