@ARTICLE{
       Author = {Shannon, C. and Moore, D. and claffy, k.}, 
       Title = {{Beyond Folklore: Observations on Fragmented Traffic}},
       Journal = {IEEE/ACM Transactions on Networking}, 
       Volume = {10, No. 6, Dec 2002},
       Pages = {709-720},
       Month = {Dec},
       Year = {2002},
       Keywords = {passive data analysis}
}