Etiqueta de registo: 00263nx 2200109n 45
001 253177
095 ## $aPTBN00218252
100 ## $a19970625apory0103 ba
152 ## $bSIPOR
250 ## $aMatemática$xResolução de problemas
675 ## $a51$vBN$zpor
675 ## $a37.02$vBN$zpor
801 #0 $aPT$bBN$c19970625