@ARTICLE{
       Author = {Liu, Z. and Huffaker, B. and Fomenkov, M. and claffy, k. and Brownlee, N.}, 
       Title = {{Two Days in the Life of the DNS Anycast Root Servers}},
       Journal = {Passive and Active Network Measurement Workshop (PAM)}, 
       Volume = {4427},
       Pages = {125-134},
       Institution = {Cooperative Association for Internet Data Analysis (CAIDA), Beijing Jiaotong University, and The University of Auckland},
       Month = {Apr},
       Year = {2007},
       Keywords = {dns   routing   topology}
}