@article{DBLP:journals/ppl/Garces-EriceBRFU03,
  author    = {Luis Garc{\'e}s-Erice and
               Ernst W. Biersack and
               Keith W. Ross and
               Pascal Felber and
               Guillaume Urvoy-Keller},
  title     = {Hierarchical Peer-To-Peer Systems},
  journal   = {Parallel Processing Letters},
  volume    = {13},
  number    = {4},
  year      = {2003},
  pages     = {643-657},
  ee        = {http://dx.doi.org/10.1142/S0129626403001574},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}