Geodesy and Geomatics Division, DICEA and Sapienza School for Advanced Studies, Sapienza University of Rome, Italy - https://sites.google.com/a/uniroma1.it/mattiacrespi-eng/mattia-crespi?authuser=0
Cartographic and Land Engineering Department, Higher Polytechnic School of Avila, University of Salamanca, Avila, Spain - https://produccioncientifica.usal.es/investigadores/56055/detalle