Erwan Le Merrer Anne-Marie Kermarrec Laurent Massoulié Peer to peer size estimation in large and dynamic networks: A comparative study. 7-17 2006 HPDC http://doi.ieeecomputersociety.org/10.1109/HPDC.2006.1652131 conf/hpdc/2006 db/conf/hpdc/hpdc2006.html#MerrerKM06