Pelfini, Manuela, et al. “L’erosione Dei Sentieri in Alta Montagna. Indagini Dendrogeomorfologiche E Stime Quantitative Lungo Alcuni Itinerari Della Valfurva (Sondrio): The Erosion of Tourist Trails in High Mountain. Dendrogeomorphological Analysis and Quantitative Evaluations on Some Paths in Valfurva (Sondrio, Central Italian Alps)”. Geografia Fisica E Dinamica Quaternaria, vol. 7, Dec. 2005, pp. 261-9, https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/1291.