@ARTICLE{
       Author = {Brady, A. and claffy, k. and Fall, K. and Krioukov, D.}, 
       Title = {{On Compact Routing for the Internet}},
       Journal = {ACM SIGCOMM Computer Communication Review (CCR)}, 
       Volume = {37},
       Number = {3},
       Pages = {41-52},
       Month = {Jul},
       Year = {2007},
       Keywords = {routing   topology}
}