<https://www.manualslib.com/manual/370841/Rca-Drc6331-Portable-Dvd-Player.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.manualslib.com/manual/370841/Rca-Drc6331-Portable-Dvd-Player.html>