M. Tschudin / F. Scherrer / U. Weber-Stecher, Switzerland, in: The public Competition Enforcement Review (9th Edition), 2017, p. 271 ([Internet, 2020-08-12](https://www.wengervieli.ch/getattachment/72b8c6e8-3ffe-4e20-9a77-fd16e94ffcdc/Switzerland-Chapter,-in-The-Public-Competition-En.aspx))