*0011093121
*008100119s2009    xx#           000 0 nob
*019  $bk
*08230$a515.09
*100  $aGjone, Gunnar$_115379700
*245  $aMatematikk på frimerker
*300  $aS. 42-43, 55 : ill.
*600  $aLeibniz, Gottfried Wilhelm$_128923900
*600  $aNewton, Isaac$_128924000
*650  $aFrimerker$2norart$_13563000
*650  $ahistorie$9nor$2norart$_128603500
*650  $amatematisk$aanalyse$2norart$_14590100
*773  $tTangenten$gÅrg. 20, nr. 4 (2009)$x0802-8192$w(NO-LaBS)552650(tnr)
*999  $z1000463120$anorart:1000463120
^