@INPROCEEDINGS{
       Author = {Dhamdhere, A. and Cherukuru, H. and Dovrolis, C. and claffy, k.}, 
       Title = {{Measuring the Evolution of Internet Peering Agreements}},
       BookTitle = {IFIP Networking},
       Volume = {7290},
       Pages = {136-148},
       Month = {May},
       Year = {2012},
       Keywords = {topology   routing   measurement methodology   economics}
}