TY - JOUR A1 - Liu, L. A1 - Zlatanova, S. T1 - Generating Navigation Models from Existing Building Data JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XL-4/W4 SP - 19 EP - 25 Y1 - 2013/11/26 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XL-4-W4/19/2013/ L1 - https://isprs-archives.copernicus.org/articles/XL-4-W4/19/2013/isprsarchives-XL-4-W4-19-2013.pdf DO - 10.5194/isprsarchives-XL-4-W4-19-2013 ER -