@article{BilletoftWinterHuneckPetersonetal.2013,
  author    = {Birgitte Billetoft and Br{\"u}nhild Winter-Huneck and Jens Peterson and Wolfgang Schmidt},
  title     = {91F0 Hartholzauenw{\"a}lder mit Quercus robur, Ulmus laevis, Ulmus minor, Fraxinus excelsior oder Fraxinus angustifolia (Ulmenion minoris)},
  journal   = {Naturschutz im Land Sachsen-Anhalt},
  volume    = {39},
  number    = {Sonderheft},
  pages     = {253 -- 258},
  year      = {2013},
}