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003 OSt
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024 _a87,885
037 _cTextual
040 _aARTS
_cARTS
_beng
041 _2eng
_aeng
082 _aU:2960H:C, 113J2
100 _aRawer K
_993135
245 0 _aDie ionosphare ihre bedeutung fur geophysik and radioverkehr
260 _c1952
650 _aGEOGRAPHY
942 _hU:2960H:C, 113J2
_cTEXL
_2CC
999 _c211575
_d211575