0. B. Bøggild: On the Bottom Deposits of the North Polar Sea. — Appendix I: 0. N. Heidenreich and Charles J. J. Fox: Analyses of the Bottom Deposits. — Appendix II: Hans Kjær: Thalamophora of the Bottom Deposits and the Mud from the Ice Surface. The Norwegian North Polar Expedition 1893 —1896. Scientific Results Vol. V No. XIV.

Gehrke, J. (1908). 0. B. Bøggild: On the Bottom Deposits of the North Polar Sea. — Appendix I: 0. N. Heidenreich and Charles J. J. Fox: Analyses of the Bottom Deposits. — Appendix II: Hans Kjær: Thalamophora of the Bottom Deposits and the Mud from the Ice Surface. The Norwegian North Polar Expedition 1893 —1896. Scientific Results Vol. V No. XIV. Geografisk Tidsskrift, 19. Hentet fra https://tidsskrift.dk/geografisktidsskrift/article/view/49413