000 00646cab a2200253 4500
001 A57
008 090401t1990 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u32007
041 _aeng
100 _aThompson, Chris
245 _aRevising and updating data by photogrammetry
260 _c1990
350 _a0
490 _aLand & Minerals Surveying
_v8(12) December 1990, 14-15(2)
650 _aDIGITAL DATA
650 _aDIGITAL TERRAIN MODELS
650 _aGIS
650 _aOEEPE
650 _aPHOTOGRAMMETRIC SYSTEMS
690 _aLAND SURVEYING
690 _aMAPPING AND MEASUREMENT
942 _n0
948 _c04/03/1997
999 _c21477
_d21477