@INPROCEEDINGS{
       Author = {Beverly, R. and Berger, A. and Hyun, Y. and claffy, k.}, 
       Title = {{Understanding the Efficacy of Deployed Internet Source Address Validation Filtering}},
       BookTitle = {ACM Internet Measurement Conference (IMC)},
       Month = {Nov},
       Year = {2009},
       Keywords = {measurement methodology   policy   routing   security   topology   trends}
}