@article{GregorWedra1991,
  author    = {Thomas Gregor and Christel Wedra},
  title     = {Vegetation unbewaldeter Kalkquellen des Main-Kinzig-Kreises},
  journal   = {Botanik und Naturschutz in Hessen},
  volume    = {5},
  pages     = {5 -- 32},
  year      = {1991},
}