*0011142103
*008110627s2011    xx#      o    000 0 nob
*019  $bk
*100  $aKnutsen, Henning$4aut$_129176300
*245  $aGår all verden rundt i ring?
*300  $aS. 141-142
*520  $aBokanmeldelse av: Cycles of time : an extraordinary new view of the universe / Roger Penrose
*600  $aPenrose, Roger$_134542300
*773  $tNaturen$gÅrg. 135, nr. 3 (2011)$x0028-0887$w(NO-LaBS)533618(tnr)
*8564 $uhttp://www.idunn.no/ts/natur/2011/03/art04
*999  $z1100495267$anorart:1100495267
^