*0011213301
*008141021s2014    xx#           000 0 nob
*019  $bk
*08230$a516.2
*100  $aBreiteig, Trygve$4aut$_139998400
*245  $aOm trekanter med 120-graders vinkel
*300  $aS. 34-36, 42 : ill.
*650  $aden pytagoreiske læresetning$9nor$2norart$_137084300
*650  $atrekanter$9nor$2norart$_137084400
*773  $tTangenten$gÅrg. 25, nr. 3 (2014)$x0802-8192$w(NO-LaBS)552650(tnr)
*999  $z1400566832$anorart:1400566832
^