@incollection{ZimmermannFreiburg2016,
  author    = {Andreas Zimmermann and Elisa Freiburg},
  title     = {Article 15bis: Exercise of jurisdiction over the crime of aggression (State referal, proprio motu)},
  booktitle = {The Rome Statute of the International Criminal Court ; a commentary},
  edition   = {3. Aufl},
  editor    = {Otto Triffterer and Kai Ambos},
  isbn      = {978-3-406-64854-0},
  year      = {2016},
}