PALMA B., PARISE M., REICHENBACH P. & GUZZETTI F., 2012, Rock-fall hazard assessment along a road in the Sorrento Peninsula, Campania, southern Italy., Natural hazards (Dordr.) 61 (2012): 187–201. doi_10.1007/s11069-011-9899-0,
URL: http://www.cnr.it/prodotto/i/192216

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