@INPROCEEDINGS{
       Author = {Huffaker, B. and Fomenkov, M. and Moore, D. and claffy, k.}, 
       Title = {{Macroscopic analyses of the infrastructure: measurement and visualization of Internet connectivity and performance}},
       BookTitle = {Passive and Active Network Measurement Workshop (PAM)},
       Publisher = {RIPE NCC},
       Address = {Amsterdam, Netherlands},
       Month = {Apr},
       Year = {2001},
       Keywords = {measurement methodology   visualization}
}