TY - JOUR A1 - Sadeq, H. A1 - Drummond, J. A1 - Li, Z. T1 - EVALUATION OF ASTER GDEM v.2 USING GPS CHECKPOINTS, OSGB DEM VALUES AND PHOTOGAMMETRICALLY DERIVED DEMS JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XXXIX-B4 SP - 295 EP - 300 Y1 - 2012/07/31 PB - ISPRS SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XXXIX-B4/295/2012/ L1 - https://isprs-archives.copernicus.org/articles/XXXIX-B4/295/2012/isprsarchives-XXXIX-B4-295-2012.pdf DO - 10.5194/isprsarchives-XXXIX-B4-295-2012 ER -