000 00653cab a2200253 4500
001 X143
008 090401t1992 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u64140
041 _aeng
100 _aMilne, P. H.
245 _aDigital ground modelling
260 _c1992
350 _a0
490 _aMapping Awareness
_v6(3) April 1992, 33-36(4)
650 _aCOMPUTER AIDED DESIGN
650 _aDIGITAL GROUND MODELLING
650 _aGIS
650 _aGROUND MODELLING
650 _aLAND SURVEYS
690 _aMANAGEMENT-BUSINESS MANAGEMENT-INFORMATION MANAGEMENT
690 _aLAND SURVEYING
942 _n0
948 _c04/03/1997
999 _c39931
_d39931