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*008080922s2008    xx#           000 0 nob
*019  $bk
*08230$a370.15
*100  $aJahr, Einar$_129756300
*245  $aBegrepsdannelse i forbindelse med mangekanter
*300  $aS. 27-28
*650  $aMatematikk$2norart$_10568000
*650  $abegrepslæring$2norart$_50693100
*650  $amangekanter$9nor$2norart$_139540800
*650  $apedagogikk$9nor$2norart$_128952100
*650  $apsykologi$9nor$2norart$_129036100
*773  $tTangenten$gÅrg. 19, nr. 3 (2008)$x0802-8192$w(NO-LaBS)552650(tnr)
*999  $z800436317$anorart:800436317
^