Weber, Markus, et al. “Contribution of Rain, Snow- and Icemelt in the Upper Danube Discharge Today and in the Future”. Geografia Fisica E Dinamica Quaternaria, vol. 33, no. 2, Dec. 2010, pp. 221-30, https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/251.