Etiqueta de registo: 00000nx a22000253 45
001 1847395
003 http://id.bnportugal.gov.pt/aut/catbnp/1847395
100 ## $a20220524apory0103 ba0
152 ## $aRPC
200 #1 $aKlimczuk,$bAndrzej
801 #0 $aPT$bBN
810 ## $aAre they or are they not?...
830 ## $aProf. univ. SGH Warsaw School of Economics
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