@book{BurkartDierschkeHoelzeletal.2004,
  author    = {Michael Burkart and Hartmut Dierschke and Norbert H{\"o}lzel and Bernd Nowak and Thomas Fartmann},
  title     = {Molinio-Arrhenatheretea = Kulturgrasland und verwandte Vegetationstypen. Teil 2: Molinietalia},
  volume    = {9},
  year      = {2004},
}