Rockfall hazard and risk assessment in the Nera River Valle, Umbria Region, central Italy.

Guzzetti F.; Reichenbach P.; Ghigi S., 2004, Rockfall hazard and risk assessment in the Nera River Valle, Umbria Region, central Italy., Environmental management (N. Y.) 34/2 (2004): 191–208.,
URL: http://www.cnr.it/prodotto/i/41502

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