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License
- http://rightsstatements.org/vocab/InC/1.0/17
- https://creativecommons.org/licenses/by/4.0/11
- http://creativecommons.org/licenses/by-nc-nd/3.0/7
- http://creativecommons.org/licenses/by-nc-nd/2.1/jp/6
- https://creativecommons.org/licenses/by-nc-nd/4.0/5
- http://creativecommons.org/licenses/by-nd/2.1/jp/4
- http://creativecommons.org/licenses/by-nd/3.0/4
- http://creativecommons.org/licenses/by/3.0/4
- CC-BY2
- http://creativecommons.org/licenses/by-nc-sa/2.1/jp/2
- http://creativecommons.org/licenses/by-nc/3.0/2
- https://creativecommons.org/licenses/by-nc/4.0/2
- https://creativecommons.org/licenses/by-nd/4.0/2
- http://creativecommons.org/licenses/by-sa/3.0/1
- http://creativecommons.org/licenses/by/3.0/de/1
- http://opensource.org/licenses/MIT1
- https://creativecommons.org/licenses/by-sa/4.0/1