@INPROCEEDINGS{
       Author = {Brownlee, N. and Ziedins, I.}, 
       Title = {{Response time distributions for global name servers}},
       BookTitle = {Passive and Active Network Measurement Workshop (PAM)},
       Publisher = {PAM},
       Address = {Boulder, CO},
       Month = {Mar},
       Year = {2002},
       Keywords = {dns}
}