Nordli Øyvind, Wyszyński Przemysław, Gjelten Herdis M., Isaksen Ketil, Łupikasza Ewa, Niedźwiedź Tadeusz, and Przybylak Rajmund. “Revisiting the Extended Svalbard Airport Monthly Temperature Series, and the Compiled Corresponding Daily Series 1898–2018”. Polar Research 39 (June 27, 2020). Accessed February 6, 2023. https://polarresearch.net/index.php/polar/article/view/3614.