2024-03-28T14:20:39Z
http://bc.umcs.pl/oai-pmh-repository.xml
oai:bc.umcs.pl:4952
2020-11-13T14:21:22Z
dLibraDigitalLibrary:CulturalHeritage dLibraDigitalLibrary:ScienceandEducation:AnnalesUMCS dLibraDigitalLibrary:ScienceandEducation dLibraDigitalLibrary:CulturalHeritage:Journals dLibraDigitalLibrary