| 000 | 00485nam a2200157Ia 4500 | ||
|---|---|---|---|
| 003 | IN-MuIIG | ||
| 008 | 231010s9999 xx 000 0 und d | ||
| 040 | _cIIG Library | ||
| 080 |
_a550.380.2+550.389 _bWIE |
||
| 100 | _aWienert, K. A. | ||
| 245 | 0 |
_aNotes on geomagnetic observatory and survey practice _cK. A. Wienert |
|
| 260 |
_aParis _bUnesco _c1970 |
||
| 300 |
_a217p. _bbibliography |
||
| 650 | _aGeomagnetic Instruments, CalibrMagnetic ObservatoryMagnetic Survey | ||
| 942 | _cBK | ||
| 999 |
_c16046 _d16046 |
||