@INPROCEEDINGS{
       Author = {Giotsas, V. and Dhamdhere, A. and claffy, k.}, 
       Title = {{Periscope: Unifying Looking Glass Querying}},
       BookTitle = {Passive and Active Network Measurement Workshop (PAM)},
       Month = {Mar},
       Year = {2016},
       Keywords = {active data analysis   measurement methodology   routing   topology   software/tools   congestion}
}