@article{BilletoftWinterHuneckPetersonetal.2013,
  author    = {Birgitte Billetoft and Br{\"u}nhild Winter-Huneck and Jens Peterson and Wolfgang Schmidt},
  title     = {9150 Mitteleurop{\"a}ischer Orchideen-Kalk-Buchenwald (Cephalanthero-Fagion)},
  journal   = {Naturschutz im Land Sachsen-Anhalt},
  volume    = {39},
  number    = {Sonderheft},
  pages     = {209 -- 214},
  year      = {2013},
}