David Hales Rameez Rahman Boxun Zhang Michel Meulpolder Johan A. Pouwelse BitTorrent or BitCrunch: Evidence of a Credit Squeeze in BitTorrent? 99-104 2009 WETICE http://dx.doi.org/10.1109/WETICE.2009.22 conf/wetice/2009 db/conf/wetice/wetice2009.html#HalesRZMP09