000 00364nam a2200157Ia 4500
003 IN-MuIIG
005 20240201143929.0
008 231010s9999 xx 000 0 und d
040 _cIIG Library
080 _a550.38
_bHAY
100 _aHayanon
245 0 _aGeomagnetism
_bmagazine
_cHayanon
260 _aNGDC
_bNGDC
300 _bfigs; refs
942 _cBK
_2udc
999 _c19679
_d19679