Etiqueta de registo: 00000nx j2200025 45
001 1894047
003 http://id.bnportugal.gov.pt/aut/catbnp/1894047
100 ## $a20230920apory0103 ba0
279 ## $a53Feynman, Richard(047.53)$vBN$zpor
801 #0 $aPT$bBN$c20230920