E. Reynard and P. Coratza, “Scientific research on geomorphosites. A review of the activities of the IAG working group on geomorphosites over the last twelve years”, Geog. Fis. Dinam. Quat., vol. 36, no. 1, pp. 159–168, Jun. 2013, doi: 10.4461/GFDQ.2013.36.13.