@TECHREPORT{
       Author = {Papadopoulos, F. and Krioukov, D. and Boguñá, M. and Vahdat, A.}, 
       Title = {{Greedy Forwarding in Dynamic Scale-Free Networks Embedded in Hyperbolic Metric Spaces: Technical Report}},
       Institution = {Cooperative Association for Internet Data Analysis (CAIDA)},
       Month = {Jul},
       Year = {2009},
       Keywords = {routing   topology}
}