@InProceedings{   RAT+00-1,
  author        = {Utz Roedig and Ralf Ackermann and Marc Tresse and Lars
                  Wolf and Ralf Steinmetz},
  title         = {{Verbesserte Systemsicherheit durch Kombination von IDS
                  und Firewall}},
  year          = {2000},
  month         = mar,
  journal       = {},
  volume        = {},
  number        = {},
  booktitle     = {Systemsicherheit},
  publisher     = {},
  institution   = {},
  howpublished  = {},
  pages         = {117--128},
  note          = {ISBN 3-528-05745-9},
  url           = {http://www.kom.e-technik.tu-darmstadt.de/publications/abstra\
cts/RAT+00-1.html}

}