2024-03-29T14:42:41Z
http://bc.umcs.pl/oai-pmh-repository.xml
oai:bc.umcs.pl:21943
2017-09-12T15:09:12Z
dLibraDigitalLibrary:CulturalHeritage dLibraDigitalLibrary:ScienceandEducation:AnnalesUMCS dLibraDigitalLibrary:ScienceandEducation dLibraDigitalLibrary:CulturalHeritage:Journals dLibraDigitalLibrary