@ARTICLE{
       Author = {Carisimo, E. and Selmo, C. and Alvarez-Hamelin, J. and Dhamdhere, A.}, 
       Title = {{Studying the evolution of content providers in IPv4 and IPv6 internet cores}},
       Journal = {Elsevier Computer Communications Journal}, 
       Volume = {145},
       Pages = {54-65},
       Month = {Sep},
       Year = {2019},
       Keywords = {measurement methodology   routing   topology   congestion}
}