@article{Oesau1981,
  author    = {Albert Oesau},
  title     = {Untersuchungen {\"u}ber Veronica triloba (Opiz) Kerner in Rheinhessen},
  journal   = {Tuexenia : Mitteilungen der Floristisch-Soziologischen Arbeitsgemeinschaft},
  volume    = {1},
  pages     = {39 -- 44},
  year      = {1981},
}