@TECHREPORT{
       Author = {Mahadevan, P. and Krioukov, D. and Vahdat, A. and Fall, K.}, 
       Title = {{A Basis for Systematic Analysis of Network Topologies: Technical Report}},
       Institution = {Cooperative Association for Internet Data Analysis (CAIDA)},
       Month = {Apr},
       Year = {2006},
       Keywords = {topology}
}