<https://resources.haufegroup.com/VerhaltenskodexHaufeGroup.pdf>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.haufe.de/finance/haufe-finance-office-premium/bgh-urteil-vom-12052006-v-zr-9705_idesk_PI20354_HI1530860.html>