Etiqueta de registo: 00289nx j2200109n 45
001 33381
003 http://id.bnportugal.gov.pt/aut/catbnp/33381
095 ## $aPTBN00023805
100 ## $a19911017apory0103 ba
152 ## $bSIPOR
250 ## $aSegurança social$xCongressos$x<[>Actas]
675 ## $a369$vBN$zpor
675 ## $a061.3(=1.100)(469.93)"1990"$vBN$zpor
801 #0 $aPT$bBN$c19911017