@INPROCEEDINGS{
       Author = {Luckie, M. and Huffaker, B. and claffy, k. and Dhamdhere, A. and Giotsas, V.}, 
       Title = {{AS Relationships, Customer Cones, and Validation}},
       BookTitle = {Internet Measurement Conference (IMC)},
       Pages = {243-256},
       Month = {Oct},
       Year = {2013},
       Keywords = {routing   topology   policy}
}