@misc{Grimm2008,
  author    = {R{\"u}diger Grimm},
  title     = {IT-Sicherheitsmodelle},
  institution = {Fachbereich 4},
  series    = {Arbeitsberichte, FB Informatik},
  number    = {2008,3},
  type      = {periodicalpart},
  pages     = {26},
  year        = {2008},
}