Links[1] https://ifross.org/?q=creative-commons-zero-v10-universal [2] https://ifross.org/?q=user/login&destination=comment/reply/1337%23comment-form [3] https://ifross.org/?q=category/lizenzordnung/c-open-content-lizenzen [4] https://ifross.org/?q=category/tags/cc0-10
