Etiqueta de registo: 00253nx j2200097n 45
001 128635
003 http://id.bnportugal.gov.pt/aut/catbnp/128635
095 ## $aPTBN00097831
100 ## $a19940512apory0103 ba
152 ## $bSIPOR
250 ## $aSistemas escolares$yPortugal$z1950-1990
675 ## $a371.4(469)"1950/1990"$vBN$zpor
801 #0 $aPT$bBN$c19940513