Dikau, Richard. “The CEC Environment Programme Project ‘The Temporal Stability and Activity of Landslides in Europe With Respect to Climatic change’ (TESLEC)”. Geografia Fisica E Dinamica Quaternaria, vol. 3, no. 3, Jan. 1999, pp. 189-92, https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/1187.