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- Creative Commons BY 4.01
- Not specified3
- Rights holder: Archiv Jana Patočky, z.s.4
- autorská práva NG45
- autorská práva www.olympos.cz6
- http://creativecommons.org/licenses/by-nc-sa/4.0/13
- http://creativecommons.org/publicdomain/mark/1.0/76
- https://creativecommons.org/licenses/by-nc-nd/2.0/45
- open access4
- policy:public89
- unknown5,688