Links
[1] https://www.ifross.org/?q=publikation/copyleft-licensing-collaborative-works-digital-age
[2] https://www.ifross.org/?q=user/login&destination=comment/reply/720%23comment-form
[3] https://www.ifross.org/?q=category/autoren/ira-v-heffan
[4] https://www.ifross.org/?q=category/publikationsherkunft/externe-publikation
[5] https://www.ifross.org/?q=category/externe-publikationen/ii-juristische-online-artikel-freier-software-und-rec/-allgemein
[6] https://www.ifross.org/?q=category/tags/copyleft