Dramis, Francesco, Wilfried Haeberli, Daniel Vonder Mühll, Andreas Kääb, Marcia Phillips, Martin Wegmann, Bernhard Krummenacher, et al. 1997. “Mountain Permafrost and Slope Stability in the Periglacial Belt of the Alps: Meeting Ipa 1997 in Italy, Zürich-Bormio, August 22-27”. Geografia Fisica E Dinamica Quaternaria 3 (2): 181-203. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/1157.