@article{FlockWillgeroth2012,
  author    = {Flock, Wigbert and Willgeroth, Birgit},
  title     = {Die Bedeutung der berufspraktischen Ausbildung},
  series = {Sozial Extra},
  journal   = {Sozial Extra},
  number    = {1},
  pages     = {29 -- 33},
  year      = {2012},
  language  = {de}
}