<https://wetpixel.com/forums/index.php?/topic/36718-tulamben-bali/#comment-255219>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://wetpixel.com/forums/index.php?/topic/36718-tulamben-bali/&tab=comments#comment-257075>