@article{Peterek2009,
  author    = {Manfred Peterek},
  title     = {Orchideen im Landkreis Hameln-Pyrmont},
  journal   = {Mitteilungsblatt / Arbeitskreis "Heimische Orchideen" Baden-W{\"u}rttemberg},
  volume    = {21},
  number    = {4},
  pages     = {947 -- 999},
  year      = {2009},
}