2026-04-07T14:11:59Z https://www.e-periodica.ch/oai/dataprovider repository.prod https://www.e-periodica.ch/oai/dataprovider 2.0 webmaster@e-periodica.ch 2013-12-09T21:21:34Z no YYYY-MM-DDThh:mm:ssZ oai agora : oai:agora:buw-001:1947:1