Etiqueta de registo: 00244cx j2200109 45
001 19311
095 ## $aPTBN00013761
100 ## $a19901205apory0103 ba0
152 ## $bSIPOR
250 ## $aMatemática$x[Exercícios]
675 ## $a51(075)$vBN$zpor
675 ## $a373(469)$vBN$zpor
801 #0 $aPT$bBN$c20060731