2026-04-25T15:28:36Zhttps://open.uni-marburg.de/server/oai/requestopen_UMR Marburg DSpace 9.1https://open.uni-marburg.de/server/oai/request2.0dspace-admin@hrz.uni-marburg.de2018-12-05T14:04:18ZtransientYYYY-MM-DDThh:mm:ssZ oai open.uni-marburg.de : oai:open.uni-marburg.de:openumr/1234