Frich and Erik Brandt, P. “Holocene Talus Accumulation Rates, - and Their Influence on Rock Glacier Growth. A Case Study from Igpik, Disko - West Greenland”. Geografisk Tidsskrift - Danish Journal of Geography, vol. 85, Jan. 1985, https://tidsskrift.dk/geografisktidsskrift/article/view/44082.