<https://romontsch.ch/product/lecturas-da-la-mudada-da-cla-biert-lekturen-des/#product>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://romontsch.ch/product/lecturas-da-la-mudada-da-cla-biert-lekturen-des/>