Peter Merz Matthias Priebe Steffen Wolf Super-Peer Selection in Peer-to-Peer Networks Using Network Coordinates. 385-390 2008 ICIW http://doi.ieeecomputersociety.org/10.1109/ICIW.2008.17 conf/iciw/2008 db/conf/iciw/iciw2008.html#MerzPW08