<https://forum.audio.com.pl/topic/75177-yamaha-wxa-50-dali-zensor-3-bedzie-ok/#comment-344791>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.audio.com.pl/topic/75177-yamaha-wxa-50-dali-zensor-3-bedzie-ok/>