@incollection{Sonnentag2022,
  author    = {Sonnentag, Michael},
  title     = {Unterzeichnungsklausel},
  series = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  booktitle = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  editor    = {Ball, Wolfgang},
  publisher = {C.H. Beck},
  address   = {M{\"u}nchen},
  pages     = {1},
  year      = {2022},
  language  = {de}
}
@incollection{Sonnentag2021,
  author    = {Sonnentag, Michael},
  title     = {Unterzeichnungsklausel},
  series = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  booktitle = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  editor    = {Ball, Wolfgang},
  edition   = {Stand: 01.07.2021},
  publisher = {C.H. Beck},
  address   = {M{\"u}nchen},
  pages     = {1},
  year      = {2021},
  language  = {de}
}
@incollection{Sonnentag2021,
  author    = {Sonnentag, Michael},
  title     = {Unterzeichnungsklausel},
  series = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  booktitle = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  editor    = {Ball, Wolfgang},
  edition   = {Stand: 01.01.2021},
  publisher = {C.H. Beck},
  address   = {M{\"u}nchen},
  pages     = {1},
  year      = {2021},
  language  = {de}
}
@incollection{Sonnentag2022,
  author    = {Sonnentag, Michael},
  title     = {Artikel 99 Inkrafttreten},
  series = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  booktitle = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  editor    = {Ball, Wolfgang},
  publisher = {C.H. Beck},
  address   = {M{\"u}nchen},
  pages     = {4},
  year      = {2022},
  language  = {de}
}
@incollection{Sonnentag2021,
  author    = {Sonnentag, Michael},
  title     = {Artikel 99 Inkrafttreten},
  series = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  booktitle = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  editor    = {Ball, Wolfgang},
  edition   = {Stand: 01.01.2021},
  publisher = {C.H. Beck},
  address   = {M{\"u}nchen},
  pages     = {4},
  year      = {2021},
  language  = {de}
}
@incollection{Sonnentag2021,
  author    = {Sonnentag, Michael},
  title     = {Artikel 99 Inkrafttreten},
  series = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  booktitle = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  editor    = {Ball, Wolfgang},
  edition   = {Stand: 01.07.2021},
  publisher = {C.H. Beck},
  address   = {M{\"u}nchen},
  pages     = {4},
  year      = {2021},
  language  = {de}
}
@incollection{Sonnentag2022,
  author    = {Sonnentag, Michael},
  title     = {Artikel 98 Zul{\"a}ssigkeit von Vorbehalten},
  series = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  booktitle = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  editor    = {Ball, Wolfgang},
  publisher = {C.H. Beck},
  address   = {M{\"u}nchen},
  pages     = {2},
  year      = {2022},
  language  = {de}
}
@incollection{Sonnentag2021,
  author    = {Sonnentag, Michael},
  title     = {Artikel 98 Zul{\"a}ssigkeit von Vorbehalten},
  series = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  booktitle = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  editor    = {Ball, Wolfgang},
  edition   = {Stand: 01.01.2021},
  publisher = {C.H. Beck},
  address   = {M{\"u}nchen},
  pages     = {2},
  year      = {2021},
  language  = {de}
}
@incollection{Sonnentag2021,
  author    = {Sonnentag, Michael},
  title     = {Artikel 98 Zul{\"a}ssigkeit von Vorbehalten},
  series = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  booktitle = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  editor    = {Ball, Wolfgang},
  edition   = {Stand: 01.07.2021},
  publisher = {C.H. Beck},
  address   = {M{\"u}nchen},
  pages     = {3},
  year      = {2021},
  language  = {de}
}
@incollection{Sonnentag2022,
  author    = {Sonnentag, Michael},
  title     = {Artikel 97 Wirksamkeitsvoraussetzungen einer Vorbehaltserkl{\"a}rung},
  series = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  booktitle = {CISG : Beck-online.GROSSKOMMENTAR : Zivilrecht},
  editor    = {Ball, Wolfgang},
  publisher = {C.H. Beck},
  address   = {M{\"u}nchen},
  pages     = {3},
  year      = {2022},
  language  = {de}
}