
https://www.parliament.uk/documents/commons-committees/culture-media-and-sport/Principles%20of%20the%20Law%20Governing%20the%20Internet.pdf

http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6430&CESifoWP.search=+

https://verfassungsblog.de/with-exclusive-competence-comes-great-responsibility/