<https://www.frauscher.com/ru/novosti/Komponenty-zheleznodorozhnoy-avtomatiki-i-telemehaniki-s-proverennym-kachestvom_bba_43>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.frauscher.com/ru/Novosti/Avtory/Melanie-Kleinpotzl_bbau_67>