*0011573549
*008091019s2009    xx#           000 0 nob
*019  $bk
*08230$a371.334
*100  $aHeir, Odd$_47273300
*245  $aUtfordringen
*300  $aS. 44-47 : ill.
*650  $aDigitale læremidler$2norart$_65499400
*650  $aGeometri$2norart$_15691700
*650  $aanimasjoner$9nor$2norart$_130859300
*773  $tTangenten$gÅrg. 20, nr. 3 (2009)$x0802-8192$w(NO-LaBS)552650(tnr)
*999  $z900458138$anorart:900458138
^