2024-03-28T14:06:53Z
https://www.bibliotekacyfrowa.pl/oai-pmh-repository.xml
oai:www.bibliotekacyfrowa.pl:29800
2021-03-19T08:17:23Z
buwr:bcuwr buwr:bcuwr:CulturalHeritage:Serials buwr:bcuwr:CulturalHeritage buwr:bcuwr:CulturalHeritage:OldPrintedBooks