<https://competitionlawblog.kluwercompetitionlaw.com/2017/01/30/german-fco-publishes-draft-notice-on-rpm-in-the-food-retail-sector/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://competitionlawblog.kluwercompetitionlaw.com/2017/01/30/german-fco-publishes-draft-notice-on-rpm-in-the-food-retail-sector/>