*0011608340
*008930430s1993    xx#           000 0 nob
*019  $bk
*08230$a538.7
*100  $aEgeland, Alv$_133447500
*245  $aPlanetenes magnetfelt
*300  $aS. 65-69 : ill.
*773  $tNaturen$gÅrg. 117, nr 2 (1993)$x0028-0887$w(NO-LaBS)533618(tnr)
*999  $z9300155968$anorart:9300155968
^