Dowdeswell Julian A., and Benham Toby J. “A Surge of Perseibreen, Svalbard, Examined Using Aerial Photography and ASTER High Resolution Satellite Imagery”. Polar Research 22, no. 2 (January 12, 2003): 373-383. Accessed May 4, 2024. https://polarresearch.net/index.php/polar/article/view/2119.