@ARTICLE{
       Author = {Krapivsky, P. and Krioukov, D.}, 
       Title = {{Scale-free networks as pre-asymptotic regimes of super-linear preferential attachment}},
       Journal = {Physical Review E}, 
       Volume = {78},
       Number = {026114},
       Month = {Aug},
       Year = {2008},
       Keywords = {topology}
}