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*035  $a(NO-LaBS)13524868(bibid)
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*1001 $aRydbeck, O. E. H.$0(NO-TrBIB)90277933$_46049000
*24512$aA theoretical investigation of the ionospheric electron density variation during a solar eclipse$cO.E.H. Rydbeck and Hans Wilhelmsson
*260  $aGöteborg$c1954
*300  $a22 s.
*4901 $aActa Polytechnica$v158
*4901 $aActa Polytechnica, Electrical Engineering Series$v5:12
*4901 $aChalmers tekniska högskolas handlingar$v149
*7001 $aWilhelmsson, Hans$0(NO-TrBIB)90105790$_46049100
*830  $aActa polytechnica$pElectrical engineering series$v5:12$w999208301884702201$_23573200
*830 0$aActa polytechnica$v158$_14185000
*830 0$aChalmers tekniska högskolas handlingar (trykt utg.)$x0069-2417$v149$w998311538224702201$_26638600
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*999  $aoai:nb.bibsys.no:990402798124702202$b2021-11-14T19:57:40Z$z990402798124702202
^