1. “US demands shared use of Russia’s Northern Sea Route”, 2018, available at https://www.rt.com/business/423913-northern-sea-route-us/.
2. The Geopolitics of the ‘Future Return’: Britain's Century-Long Challenges to Norway's Control over the Spitsbergen Archipelago
3. V. V. Kovalev, V. V. Kasyanov, Y. S. Bortsov, A. Y. Goloborod’ko, and T. D. Skudnova, European Research Studies Journal, 20 (4), 499–508 (2017).
4. M. Motomura, “Perspectives on oil and gas development in the russian arctic”, in Russia’s Far North: The Contested Energy Frontier, edited by Veli-Pekka Tynkkynen et al. (Routledge, Abingdon, 2018), pp. 27–42.
5. G.-C. Zhang, H.-J. Qu, C. Zhao, F.-L. Zhang, Z. Zhao, Natural Gas Geoscience 28 (10), 1447–1477 (2017).