<https://www.cadtutor.net/forum/topic/64635-convert-cad-file-to-dwg/>
<http://schema.org/datePublished>
"2018-01-16T19:52:28+0000"^^<http://schema.org/Date>
<https://www.cadtutor.net/forum/topic/64635-convert-cad-file-to-dwg/?tab=comments#comment-532583>