- Swedish).
Cydonia Development.
Retrieved 22 June 2015. Jarsve,
Erlend M.;
Krøgli,
Svein Olav; Etzelmüller, Bernd; Gabrielsen, Roy H. (2014). "Automatic identification...
- 11 57:
Granli 12 58: Østerdal 13 59:
Rundhaugen 14 60: Bjurbækmo 15 61:
Krogli 16 62:
Snasen 17 63:
Silaamoen 18 64:
Silaadal 19 65: Grønfjeld 20 68: Dunderland...
- 64 (1–4): 337–345. doi:10.1016/0301-9268(93)90086-H. Jarsve,
Erlend M.;
Krøgli,
Svein Olav; Etzelmüller, Bernd; Gabrielsen, Roy H. (2014). "Automatic identification...
- 2017.
Retrieved 8 June 2009.
Fridtjof Riis;
Henning Dypvik;
Svein Olav
Krøgli (August 2008). "The
Ritland crater – An
early Cambrian impact structure...
- Norwegian). Kunnskapsforlaget.
Retrieved June 22, 2015. Jarsve,
Erlend M.;
Krøgli,
Svein Olav; Etzelmüller, Bernd; Gabrielsen, Roy H. (2014). "Automatic identification...
