2024-03-28T15:24:27Z
http://bc.umcs.pl/oai-pmh-repository.xml
oai:bc.umcs.pl:34578
2020-10-17T11:44:51Z
dLibraDigitalLibrary:CulturalHeritage dLibraDigitalLibrary:ScienceandEducation dLibraDigitalLibrary:CulturalHeritage:Books dLibraDigitalLibrary dLibraDigitalLibrary:ScienceandEducation:TextsandHandbooks
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