Guadagno, Francesco Maria. “The Landslides of 5 May 1998 in Campania, Southern Italy- Are They Natural Disasters or Also Man-Induced Phenomena?”. Journal of Nepal Geological Society 22 (December 1, 2000): 463–470. Accessed August 17, 2024. https://nepjol.info/index.php/JNGS/article/view/32417.