*0011486367
*008831011s1983    xx#           000 0 nob
*019  $bk
*08230$a510.7
*100  $aBrekke, Gard$_24426000
*245  $aLærarutdanning og matematikk
*300  $aS.13-17
*773  $tSymbol$gÅrg.8, nr.2 (1983)$x0333-0346$w(NO-LaBS)801321(tnr)
*999  $z8300054370$anorart:8300054370
^