Links
[1] https://www.ifross.org/?q=en/q-public-license-qpl
[2] https://www.ifross.org/?q=en/user/login&destination=comment/reply/578%23comment-form
[3] https://www.ifross.org/?q=en/category/lizenzordnung/open-source-lizenzen/v-lizenzen-sonderrechten
[4] https://www.ifross.org/?q=en/category/tags/q-public-license
[5] https://www.ifross.org/?q=en/category/tags/qpl