<https://cleen-energy.com/investor-relations/ad-hoc-meldungen/ad-hoc-mitteilung-vom-27-12-2018/#article>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://cleen-energy.com/investor-relations/ad-hoc-meldungen/ad-hoc-mitteilung-vom-27-12-2018/>