2024-03-29T13:51:18Z
https://rcin.org.pl/oai-pmh-repository.xml
oai:rcin.org.pl:105856
2021-10-19T14:17:00Z
rcin.org.pl:partnerCollections:ibsyst:report rcin.org.pl rcin.org.pl:partnerCollections:ibsyst:books rcin.org.pl:partnerCollections:ibsyst rcin.org.pl:literature rcin.org.pl:literature:booksChapters rcin.org.pl:partnerCollections