*0011490923
*008840521s1983    xx#           000 0 nob
*019  $bk
*08230$a516.1
*100  $aUlven, Hans Petter$_163456100
*245  $aPuslespill og Pyt[h]agoras$cHans Petter Ulven
*300  $aS. 4-6, 29
*773  $tSymbol$gÅrg. 8, nr 4 (1983)$x0333-0346$w(NO-LaBS)801321(tnr)
*999  $z8400058731$anorart:8400058731
^