<https://www.autopathy.com/kurzy/lecture-from-jiri-cehovsky-at-paracelsus-fair-in-dusseldorf-on-17-10-2015/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.autopathy.com/kurzy/lecture-from-jiri-cehovsky-at-paracelsus-fair-in-dusseldorf-on-17-10-2015/>