Alvaro Coelho Paulo Ditarso Maciel Jr. Flavio de Figueiredo D. Maia Francisco Vilar Brasileiro On the impact of choice in multi-service P2P grids. 98-101 2008 BDIM http://dx.doi.org/10.1109/BDIM.2008.4540079 conf/bdim/2008 db/conf/bdim/bdim2008.html#CoelhoMFMB08