@article{Wickel2012,
  author    = {Wickel, Hans Hermann},
  title     = {Musikgeragogik - Musizieren im Alter},
  series = {horus (Marburger Beitr{\"a}ge zur Integration Blinder und Sehbehinderter)},
  journal   = {horus (Marburger Beitr{\"a}ge zur Integration Blinder und Sehbehinderter)},
  number    = {1},
  pages     = {19 -- 21},
  year      = {2012},
  language  = {de}
}
@article{Wickel2011,
  author    = {Wickel, Hans Hermann},
  title     = {Musik ist ein optimales Fitnesstraining},
  series = {BAGSO-Nachrichten},
  journal   = {BAGSO-Nachrichten},
  number    = {4},
  pages     = {35 -- 36},
  year      = {2011},
  language  = {de}
}