Etiqueta de registo: 00000cx j2200025 45
001 1259907
100 ## $a20061120apory0103 ba0
152 ## $bSIPOR
250 ## $aQuímica$j[Exercícios]
675 ## $a54(075)$vBN$zpor
801 #0 $aPT$bBN$c20120110