@book{Vogt1994,
  author    = {Heide Vogt},
  title     = {Die Pers{\"o}nlichkeit des Instrumentalsch{\"u}lers im Einzelunterricht},
  editor    = {Ulrich G{\"u}nther and Birgit Jank and Thomas Ott},
  volume    = {1},
  isbn      = {3-929379-00-7},
  year      = {1994},
}