@article{Mueller2008,
  author    = {Heribert M{\"u}ller},
  title     = {Theodor Schieffer : 11.7.1910 - 9.4.1992 ; [Nachruf]},
  journal   = {Geschichte in K{\"o}ln : gegr{\"u}ndet als studentische Zeitschrift am Historischen Seminar},
  volume    = {1992},
  number    = {31},
  pages     = {117 -- 127},
  year      = {2008},
}