@article{JM03,
  author    = {Markus Jakobsson and Filippo Menczer},
  title     = {Untraceable Email Cluster Bombs: On Agent-Based Distributed Denial of Service},
  journal   = {CoRR},
  volume    = {cs.CY/0305042},
  year      = {2003},
  ee        = {http://arxiv.org/abs/cs.CY/0305042},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}