Haremo , Pål, Arild Andresen, Henning Dypvik, Jenö Nagy, Anders Elverhøi, Tor Arne Eikeland, and Halvor Johansen. 1990. “Structural Development Along the Billefjorden Fault Zone in the Area Between Kjellströmdalen and Adventdalen/Sassendalen, Central Spitsbergen”. Polar Research 8 (2):195-216. https://doi.org/10.3402/polar.v8i2.6812.