@book{HirschKoepfBaumannGibbonetal.2016,
  author    = {Nele Hirsch and Elly K{\"o}pf and Oliver Baumann-Gibbon and Christina Rupprecht},
  title     = {Praxisrahmen f{\"u}r Open Educational Resources (OER) in Deutschland},
  year      = {2016},
}