@InProceedings{Albrecht2004Aggregating,
	 author =	{Keno Albrecht and Ruedi Arnold and Michael Gähwiler and Roger Wattenhofer},
	 title =	{{Aggregating Information in Peer-to-Peer Systems for Improved Join and Leave}},
	 booktitle =	{{4th IEEE International Conference on Peer-to-Peer Computing (P2P), Zurich, Switzerland}},
	 month =	{August},
	 year =		{2004}
}