Etiqueta de registo: 00251cx j2200097 45
001 16253
003 http://id.bnportugal.gov.pt/aut/catbnp/16253
095 ## $aPTBN00011310
100 ## $a19901001apory0103 ba0
152 ## $bSIPOR
250 ## $aElectrotecnia$x[Manuais de ensino secundário]
675 ## $a621.3(075.3)$vBN$zpor
675 ## $a373.5(469)$vBN$zpor
801 #0 $aPT$bBN$c20070131