1. AMAP (Arctic Monitoring and Assessment Programme), 2013. AMAP Assessment 2013: Arctic Ocean Acidification. Arctic Monitoring and Assessment Programme (AMAP), Oslo, Norway, 1–99.
2. AMAP (Arctic Monitoring and Assessment Programme), 2019. Arctic Ocean Acidification Assessment: 2018 Summary for Policymakers, 1–15.
3. An Assessment of the Effects of Hunting and Climate on Walruses in Greenland;Born,2005
4. Robben und Eisbär in der Arktis: Auswirkung von Erderwärmung un Jagd (Seals and polar bears in the Arctic: effects of global warming and hunt);Born,2006
5. Satellite-linked radio tracking of Atlantic walruses (Odobenus rosmarus rosmarus) in northeastern Greenland, 1989–1991;Born;Zeitschrift für Säugetierkunde,1992