000 00581cab a2200241 4500
001 X438
008 090401t1993 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u65606
041 _aeng
245 _aRacal survey: positioning and offshore services
260 _c1993
350 _a0
490 _aSurveying World
_v1(2) January 1993, 18 (1)
650 _aGPS
650 _aOIL EXPLORATION
650 _aPOSITIONING SYSTEMS
650 _aRACAL
650 _aRADIO POSITIONING
650 _aSKYFIX
690 _aLAND SURVEYING
942 _n0
948 _c04/03/1997
999 _c40925
_d40925