Drbal Karel, Elster Josef, and Komárek Jiří. “Heavy Metals in Water, Ice and Biological Material from Spitsbergen, Svalbard”. Polar Research 11, no. 2 (January 12, 1992): 99-101. Accessed April 29, 2024. https://polarresearch.net/index.php/polar/article/view/2292.