@INPROCEEDINGS{
       Author = {Giotsas, V. and Luckie, M. and Huffaker, B. and claffy, k.}, 
       Title = {{IPv6 AS Relationships, Clique, and Congruence}},
       BookTitle = {Passive and Active Network Measurement Workshop (PAM) },
       Pages = {111-122},
       Month = {Mar},
       Year = {2015},
       Keywords = {measurement methodology   routing   topology   ipv6}
}