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*1001 $aRingnes, Truls S.$0(NO-TrBIB)90086771$_11685800
*24510$aOn the relation between magnetic fields and areas of sunspots in the interval 1917-1956$cby Truls S. Ringnes and Eberhart Jensen
*260  $aOslo$bAschehoug$c1960
*300  $aS. 100-121$bill.
*4901 $aAstrophysica Norvegica$vvol. 7, no. 4
*533  $aElektronisk reproduksjon$b[Norge]$cNasjonalbiblioteket Digital$d2010-11-17
*588  $aKatalogisert etter omslag
*7001 $aJensen, Eberhart$0(NO-TrBIB)90077434$_51276700
*830 0$aAstrophysica Norvegica (trykt utg.)$x0067-0030$vvol. 7, no. 4$w998440846464702201$_16720600
*85641$3Fulltekst$uhttps://urn.nb.no/URN:NBN:no-nb_digibok_2010110506074$yNettbiblioteket$zDigital representasjon
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