000 | 00506nam a2200169Ia 4500 | ||
---|---|---|---|
003 | IN-MuIIG | ||
008 | 231010s9999 xx 000 0 und d | ||
020 | _a9231008161 | ||
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. _bbiblio |
||
650 | _aGeomagnetic Instruments-calibrMagnetic ObservatoryMagnetic Survey | ||
942 | _cBK | ||
999 |
_c16686 _d16686 |