@incollection{ZimmermannFreiburg2016,
  author    = {Zimmermann, Andreas and Freiburg, Elisa},
  title     = {Article 8bis: Crime of aggression},
  series = {The Rome Statute of the International Criminal Court ; a commentary},
  booktitle = {The Rome Statute of the International Criminal Court ; a commentary},
  editor    = {Triffterer, Otto and Ambos, Kai},
  edition   = {3. Aufl.},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {978-3-406-64854-0},
  publisher      = {Universit{\"a}t Potsdam},
  pages     = {580 -- 618},
  year      = {2016},
  language  = {en}
}
@incollection{ZimmermannFreiburg2016,
  author    = {Zimmermann, Andreas and Freiburg, Elisa},
  title     = {Article 15bis: Exercise of jurisdiction over the crime of aggression (State referal, proprio motu)},
  series = {The Rome Statute of the International Criminal Court ; a commentary},
  booktitle = {The Rome Statute of the International Criminal Court ; a commentary},
  editor    = {Triffterer, Otto and Ambos, Kai},
  edition   = {3. Aufl},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {978-3-406-64854-0},
  publisher      = {Universit{\"a}t Potsdam},
  pages     = {741 -- 764},
  year      = {2016},
  language  = {en}
}