Pica, A., G. M. Luberti, F. Vergari, P. Fredi, and M. Del Monte. “Contribution for an Urban Geomorphoheritage Assessment Method: Proposal from Three Geomorphosites in Rome (Italy)”. Quaestiones Geographicae, Vol. 36, no. 3, Sept. 2017, pp. 21–36, doi:10.1515/quageo-2017-0030.