<https://billard-in-darmstadt.de/#organization>
<http://schema.org/sameAs>
<https://www.facebook.com/Billard-Snooker-Abteilung-des-TV-1876-eV-Darmstadt-Eberstadt-1524314847882754>
<https://billard-in-darmstadt.de/blog/author/rkilian/>