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*008121217s2012    xx#           000 0 nob
*019  $bk
*08230$a372.7
*100  $aDevold, Else Havnevik$4aut$_132344400
*245  $aPosisjonssystemet
*300  $aS. 63-65 : ill.
*650  $aKartlegging$2norart$_95979300
*650  $aMatematikk$2norart$_10568000
*650  $aTallforståelse$2norart$_62243400
*773  $tTangenten$gÅrg. 23, nr. 4 (2012)$x0802-8192$w(NO-LaBS)552650(tnr)
*999  $z1200526663$anorart:1200526663
^