Links[1] https://www.ifross.org/?q=creative-commons-attribution-40-international [2] https://www.ifross.org/?q=user/login&destination=comment/reply/1644%23comment-form [3] https://www.ifross.org/?q=category/lizenzordnung/c-open-content-lizenzen [4] https://www.ifross.org/?q=category/tags/cc-40
