@INPROCEEDINGS{
       Author = {Dimitropoulos, X. and Krioukov, D. and Riley, G.}, 
       Title = {{Revisiting Internet AS-level Topology Discovery}},
       BookTitle = {Passive and Active Network Measurement Workshop (PAM)},
       Pages = {177-188},
       Institution = {Cooperative Association for Internet Data Analysis (CAIDA)},
       Month = {Mar},
       Year = {2005},
       Keywords = {topology}
}