Etiqueta de registo: 00243nx j2200097n 45
001 177538
003 http://id.bnportugal.gov.pt/aut/catbnp/177538
095 ## $aPTBN00144153
100 ## $a19950519apory0103 ba
152 ## $bSIPOR
250 ## $aParâmetro do sujeito nulo$x<[>Teses]
675 ## $a81-116(043.2)$vBN$zpor
801 #0 $aPT$bBN$c19950519