2026-05-14T17:27:40Z https://rcin.org.pl/impan/oai-pmh-repository.xml

oai:rcin.org.pl:45637 2022-01-10T09:22:33Z rcin.org.pl:partnerCollections:imat rcin.org.pl rcin.org.pl:partnerCollections:imat:books rcin.org.pl:partnerCollections:imat:czajewiczcollection rcin.org.pl:literature rcin.org.pl:literature:booksChapters rcin.org.pl:partnerCollections:imat:books:bookxix rcin.org.pl:partnerCollections