@patent { ,
	title = {Platform-independent Collaboration Backbone and Framework for Forming Virtual Communities Having Virtual Rooms with Collaborative Sessions},
	year = {2000},
	note = {United States Patent No. 6,078,948},
	month = {06/2000},
	type = {patent},
	url = {http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1\&Sect2=HITOFF\&d=PALL\&p=1\&u=\%2Fnetahtml\%2FPTO\%2Fsrchnum.htm\&r=1\&f=G\&l=50\&s1=6,078,948.PN.\&OS=PN/6,078,948\&RS=PN/6,078,948},
	author = {Podgorny, M. and Beca, L. and Cheng, G. and Fox, G. C. and Jurga, T. and Olszewski, K. and Sokolowski, P. and Krzysztof Walczak}
}
