@phdthesis{unruh07protokollkomposition,
  author       = {Unruh, Dominique},
  title        = {Protokollkomposition und Komplexit\"{a}t},
  school       = {Universit\"{a}t Karlsruhe (TH)},
  year         = {2007},
  publisher    = {Logos},
  note         = {In German}
}