@incollection{Koopmann2015,
  author    = {Helmut Koopmann},
  title     = {Davos-R{\"u}ckblick},
  booktitle = {Lebenstraum und Todesn{\"a}he: Thomas Manns Roman "Der Zauberberg"},
  editor    = {Helmut Koopmann},
  isbn      = {978-3-465-03877-1},
  year      = {2015},
}