| 000 | 00587cab a2200241 4500 | ||
|---|---|---|---|
| 001 | X1157 | ||
| 008 | 090401t1993 xxu||||| |||| 00| 0 eng d | ||
| 035 | _a(Sirsi) u15059 | ||
| 041 | _aeng | ||
| 100 | _aMerry, C. L. | ||
| 245 | _aGPS and heights | ||
| 260 | _c1993 | ||
| 350 | _a0 | ||
| 490 |
_aSouth African Journal of Surveying and Mapping _v22(2) August 1993, 81-88(8) |
||
| 650 | _aGEOID | ||
| 650 | _aGLOBAL POSITIONING SYSTEMS | ||
| 650 | _aGPS DATA | ||
| 650 | _aGPS | ||
| 650 | _aTHREE DIMENSIONAL | ||
| 690 | _aLAND SURVEYING | ||
| 942 | _n0 | ||
| 948 | _c04/03/1997 | ||
| 999 |
_c9835 _d9835 |
||