, Göteborg Natural History Museum, Sweden

• Fauna norvegica Vol. 30 (2010) - Articles
  Three land-snail species new to the Norwegian fauna: Pupilla pratensis (Clessin, 1871), Vertigo ultimathule von Proschwitz, 2007 and Balea sarsii Philippi, 1847 [= B. heydeni von Maltzan, 1881]
  Abstract  PDF