@article{Pfenninger2004,
  author    = {Markus Pfenninger},
  title     = {Comparative analysis of range sizes in Helicidae s.l. (Pulmonata, Gastropoda)},
  journal   = {Evolutionary Ecology Research},
  volume    = {6},
  pages     = {359 -- 376},
  year      = {2004},
}