000 00607cab a2200229 4500
001 X315
008 090401t1992 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u65062
041 _aeng
100 _aChristie, R.
245 4 _aThe establishment of a new 3-D control framework for GB based on modern space techniques
260 _c1992
350 _a0
490 _aSurveying World
_v1(1) November 1992, 41-43(3)
650 _aGLOBAL POSITIONING SYSTEMS
650 _aGPS
650 _aSATELLITE SURVEYING
690 _aLAND SURVEYING
690 _aLAND
942 _n0
948 _c04/03/1997
999 _c40551
_d40551