@incollection{Mertens2012,
  author    = {Volker Mertens},
  title     = {Das Nibelungenlied : Richard Wagner und kein Ende},
  booktitle = {Die Nibelungen : Sage - Epos - Mythos},
  editor    = {Joachim Heinzle},
  isbn      = {3-89500-347-6},
  year      = {2012},
}