*0011333165 *008000519s2000 xx# 000 0 nno *019 $bk *08230$a523.4 *100 $aUrke, Torbjørn$_133017900 *245 $aVi observerer planetar *300 $aS. 50-52 : ill. *650 $aPlaneter$2norart$_69954500 *773 $tAstronomi$gÅrg. 30, nr 1 (2000)$x0802-7587$w(NO-LaBS)596527(tnr) *999 $z276172$anorart:276172 ^