@article{MuellerHeerde2012,
  author    = {Frank M{\"u}ller and Andrea Heerde},
  title     = {Verbreitung, {\"O}kologie und Soziologie von Knautia drymeia HEUFF. in Sachsen},
  journal   = {Kochia},
  volume    = {1},
  pages     = {33 -- 48},
  year      = {2012},
}