2024-03-29T10:01:35Z
http://bc.umcs.pl/oai-pmh-repository.xml
oai:bc.umcs.pl:41342
2021-10-19T09:39:34Z
dLibraDigitalLibrary:CulturalHeritage dLibraDigitalLibrary:ScienceandEducation:AnnalesUMCS dLibraDigitalLibrary:ScienceandEducation dLibraDigitalLibrary:CulturalHeritage:Books dLibraDigitalLibrary:CulturalHeritage:Journals dLibraDigitalLibrary dLibraDigitalLibrary:ScienceandEducation:TextsandHandbooks