Pepe, Massimiliano, and Domenica Costantino. 2021. “UAV Photogrammetry and 3D Modelling of Complex Architecture for Maintenance Purposes: The Case Study of the Masonry Bridge on the Sele River, Italy”. Periodica Polytechnica Civil Engineering 65 (1):191-203. https://doi.org/10.3311/PPci.16398.