*0011503813
*008851008s1985    xx#           000 0 nob
*019  $bk
*08230$a521.3
*100  $aThorvaldsen, Steinar$_135228500
*245  $a"Beviste" Kepler planetlovene?$cSteinar Thorvaldsen
*300  $aS. [76]-87
*773  $tNormat$gÅrg. 33, h. 2 (1985)$x0801-3500$w(NO-LaBS)247358(tnr)
*999  $z8500071935$anorart:8500071935
^