@article{PfenningerPosadaMagnin2003,
  author    = {Markus Pfenninger and David Posada and Fr{\´e}d{\´e}ric Magnin},
  title     = {Evidence for survival of Pleistocene climatic changes in Northern refugia by the land snail Trochoidea geyeri (So{\´o}s 1926) (Helicellinae, Stylommatophora)},
  journal   = {BMC evolutionary biology},
  volume    = {3},
  number    = {Art. 8},
  pages     = {1 -- 13},
  doi       = {10.1186/1471-2148-3-8},
  year      = {2003},
}