<https://nightmarish-dream.ru/forum/topic/5414-imac-macbook-i-drugie-kompyutery-apple/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://nightmarish-dream.ru/forum/topic/5414-imac-macbook-i-drugie-kompyutery-apple/page/23/>