Links[1] https://www.ifross.org/?q=en/category/lizenzordnung/open-source-lizenzen/iv-lizenzen-wahlmoeglichkeiten [2] https://www.ifross.org/?q=en/category/tags/latex-project-public-license [3] https://www.ifross.org/?q=en/category/tags/lppl [4] https://www.ifross.org/?q=en/category/tags/version-10