1. Flora, A.: Taking care of heritage, a challenge for geotechnical Engineers. In: Geotechnical Engineering for the Preservation of Monuments and Historic Sites III (Lancellotta, Viggiani, Flora, de Silva & Mele Eds), pp. 19–54 (2022)
2. Escalona, F.: Personal communication (2022)
3. Amato, L., Evangelista, A., Nicotera, M.V., Viggiani, C.: The tunnels of Cocceius in Napoli: an example of Roman engineering of the early imperial age. In: Proceedings of AITES/ITA WTC 2001, Progress in Tunneling after 2000, Milan 10–13 June 2001, 1:15–26, Bologna: Pàtron (2001)
4. Viggiani, C.: 2nd Kerisel lecture: geotechnics and heritage. In: Proceedings of the 19th International Conference of ISSMGE, Seoul (2017)
5. Ferrari, G., Lamagna, R., Rognoni, E.: Crypta Neapolitana (Naples, Italy), a multidisciplinary underground heritage site. In: Proceedings of the 3rd international congress of speleology in artificial cavities, Dobrich (Bulgaria), May, 20th–25th 2019, pp. 94–99 (2019)