@misc{Benzenhoefer2012,
  author    = {Udo Benzenh{\"o}fer},
  title     = {[Nachruf] Helmut Siefert},
  booktitle = {UniReport / Goethe-Universit{\"a}t Frankfurt},
  volume    = {45},
  number    = {6},
  institution = {Medizin},
  type      = {contributiontoperiodical},
  pages     = {22 -- 22},
  year        = {2012},
}