@book{ BA12250982,
  author    = "Hämmerle, Hermann and Wünsch, Horst",
  title     = "Handelsrecht",
  publisher = "Orac",
  year      = "",
  edition   = "4., neu bearb. Aufl",
  URL       = "http://ci.nii.ac.jp/ncid/BA12250982"
}