@InProceedings{Moscibroda2006On,
	 author =	{Thomas Moscibroda and Stefan Schmid and Roger Wattenhofer},
	 title =	{{On the Topologies Formed by Selfish Peers}},
	 booktitle =	{{TIK Report Number 252}},
	 month =	{July},
	 year =		{2006}
}