2026-04-19T00:26:07Z https://rcin.org.pl/oai-pmh-repository.xml

oai:rcin.org.pl:119495 2020-10-02T15:45:05Z rcin.org.pl:partnerCollections:igipz:libr rcin.org.pl rcin.org.pl:partnerCollections:igipz:libr:coll rcin.org.pl:partnerCollections:igipz:libr:coll:polgeosoc rcin.org.pl:partnerCollections:igipz rcin.org.pl:literature rcin.org.pl:partnerCollections:igipz:libr:books rcin.org.pl:literature:booksChapters rcin.org.pl:partnerCollections