http://creativecommons.org/licenses/by-nc-nd/4.0Ostráková, Natálie2023-11-212023-11-212020https://hdl.handle.net/20.500.14391/1439cshttp://purl.org/coar/access_right/c_abf2zvukové dokumentydigitalizacedlouhodobá ochranametadataaudio documentssound recordingsdigitizationlong-term preservationmetadataeducational material