Links
[1] https://ifross.org/?q=open-software-license-20
[2] https://ifross.org/?q=user/login&destination=comment/reply/1356%23comment-form
[3] https://ifross.org/?q=category/lizenzordnung/open-source-lizenzen/ii-lizenzen-strengem-copyleft-effekt/b-sonstige-lizenzen
[4] https://ifross.org/?q=category/tags/osl-20