THE VAULTING SYSTEM OF THE PALATINE CHAPEL: THE AACHEN CATHEDRAL WORLD HERITAGE SITE DOCUMENTATION PROJECT - Attenni, M.; Barni, R.; Bianchini, C.; Griffo, M.; Inglese, C.; Ley, Y.; Pritchard, D.; Villa, G. (Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., 2023)