2024-03-29T10:56:36Z
http://bc.umcs.pl/oai-pmh-repository.xml
oai:bc.umcs.pl:40307
2021-08-26T09:52:09Z
dLibraDigitalLibrary:CulturalHeritage dLibraDigitalLibrary:ScienceandEducation:AnnalesUMCS dLibraDigitalLibrary:ScienceandEducation dLibraDigitalLibrary