Rosario Giunta Fabrizio Messina Giuseppe Pappalardo Luigi Toscano Emiliano Tramontana Testing Replica Selection Policies in a Pan-European Grid VO. 210-215 2008 WETICE http://dx.doi.org/10.1109/WETICE.2008.48 conf/wetice/2008 db/conf/wetice/wetice2008.html#GiuntaMPTT08