2024-03-28T17:53:43Z
https://demo.dl.psnc.pl/oai-pmh-repository.xml
oai:demo.dl.psnc.pl:1575
2021-03-04T12:20:00Z
dLibraDigitalLibrary:test dLibraDigitalLibrary:collection3 dLibraDigitalLibrary dLibraDigitalLibrary:collection2 dLibraDigitalLibrary:test:czasopisma dLibraDigitalLibrary:34556