Integrated Geomatic Techniques for Georeferencing and Reconstructing the Position of Underground Archaeological Sites: The Case Study of the Augustus Sundial (Rome). - Valerio Baiocchi; Raffaella Brigante; Silvio Del Pizzo; Francesca Giannone; Matteo Onori; Fabio Radicioni; Aurelio Stoppini; Grazia Tosi; Salvatore Troisi; Marta Baumgartner (Remote. Sens., 2020)