@article{SenneHegner2009,
  author    = {Holger Senne and Kathleen Hegner},
  title     = {R{\"u}ckzahlungsklauseln f{\"u}r Fortbildungskosten},
  series   = {Arbeit und Arbeitsrecht},
  volume    = {64 (2009)},
  number    = {11},
  issn      = {0323-4568},
  year      = {2009},
  language  = {de}
}