@article{ebel2002scalefree,
  author = {Ebel, Holger and Mielsch, Lutz-Ingo and Bornholdt, Stefan},
  interhash = {87ee728e1093301d4aa2e0b98dc848af},
  intrahash = {49d15163b12ae007a88578156c7cdd3f},
  journal = {Physical Review E},
  title = {Scale-free topology of e-mail networks},
  url = {http://www.citebase.org/cgi-bin/citations?id=oai:arXiv.org:cond-mat/0201476},
  volume = 66,
  year = 2002
}