000 00570cab a2200193 4500
001 A46
008 090401t1991 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u31915
041 _aeng
245 2 _aA comparison of kinematic GPS and total station surveying for topographical surveys using GPSmap
260 _c1991
350 _a0
490 _aSouth African Journal of Surveying and Mapping
_v21(3) December 1991, 139-146(8)
650 _aGLOBAL POSITIONING SYSTEMS
650 _aGPS SURVEYS
690 _aLAND SURVEYING
942 _n0
948 _c04/03/1997
999 _c21416
_d21416