@article{Lehmann2012,
  author    = {Lehmann, Uta},
  title     = {Zum Umgang mit Heterogenit{\"a}t in der Studieneingangsphase},
  isbn      = {978-3- 937026-77-0},
  year      = {2012},
  language  = {de}
}
@article{KossackLehmannLudwig2012,
  author    = {Kossack, Peter and Lehmann, Uta and Ludwig, Joachim},
  title     = {Die Studieneingangsphase forschend gestalten : zur Einf{\"u}hrung},
  isbn      = {978-3- 937026-77-0},
  year      = {2012},
  language  = {de}
}