@article{Martens2009,
  author    = {Eduard von Martens},
  title     = {Notiz {\"u}ber Helix strigata},
  journal   = {Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft},
  volume    = {6},
  pages     = {12 -- 13},
  year      = {2009},
}