Donovan DT, Surlyk F. Lower Jurassic (Pliensbachian) ammonites from Bornholm, Baltic Sea, Denmark. GEUS Bulletin [Internet]. 2003 Oct. 28 [cited 2024 Apr. 24];1:555-83. Available from: https://geusbulletin.org/index.php/geusb/article/view/4684