Tebenkov , A. M., and A. N. Sirotkin. “A New Occurrence of Cenozoic(?) Basalt from Manbreen, Ny Friesland, Northeastern Spitsbergen”. Polar Research 8, no. 2 (January 12, 1990): 295-298. Accessed March 26, 2026. https://polarresearch.net/index.php/polar/article/view/2392.