TY - JOUR A1 - Rodríguez-Gonzálvez, P. A1 - Nocerino, E. A1 - Menna, F. A1 - Minto, S. A1 - Remondino, F. T1 - 3D SURVEYING & MODELING OF UNDERGROUND PASSAGES IN WWI FORTIFICATIONS JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XL-5/W4 SP - 17 EP - 24 Y1 - 2015/02/18 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XL-5-W4/17/2015/ L1 - https://isprs-archives.copernicus.org/articles/XL-5-W4/17/2015/isprsarchives-XL-5-W4-17-2015.pdf DO - 10.5194/isprsarchives-XL-5-W4-17-2015 ER -