@book{Lettl2013,
  author    = {Lettl, Tobias},
  title     = {F{\"a}lle zum Gesellschaftsrecht},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {978-340-66531-2-4},
  pages     = {XIII, 213 S.},
  year      = {2013},
  language  = {de}
}
@book{Lettl2013,
  author    = {Lettl, Tobias},
  title     = {F{\"a}lle zum Handelsrecht},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {978-340-66531-1-7},
  pages     = {XV, 173 S.},
  year      = {2013},
  language  = {de}
}
@book{Lettl2013,
  author    = {Lettl, Tobias},
  title     = {Urheberrecht},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {978-3-406-64647-8},
  pages     = {382 S.},
  year      = {2013},
  language  = {de}
}