*0011256538
*008170328s2017    xx#           000 0 nob
*019  $bk
*08230$a333.85
*100  $aCarstens, Halfdan$4ivr$_128821300
*245  $aPå vei inn i en ny steinalder
*300  $aS. 8-12 : ill., port.
*520  $aIntervju med Tom Heldal
*650  $aEnergikilder$2norart$_15472100
*650  $afornybar$aenergi$2norart$_46202200
*650  $ametaller$2norart$_27791600
*650  $amineraler$9nor$2norart$_130150900
*650  $anaturressurser$9nor$2norart$_129206600
*700  $aHeldal, Tom$4ive$_126841500
*773  $tGeo$gÅrg. 20, nr. 1 (2017)$x1500-8371$w(NO-LaBS)927690(tnr)
*999  $z1700610259$anorart:1700610259
^