@ARTICLE{
       Author = {Gringoli, F. and Salgarelli, L. and Dusi, M. and Cascarano, N. and Risso, F. and claffy, k.}, 
       Title = {{GT: picking up the truth from the ground for Internet traffic}},
       Journal = {ACM SIGCOMM Computer Communication Review (CCR)}, 
       Month = {Oct},
       Year = {2009},
       Keywords = {passive data analysis   measurement methodology   software/tools}
}