<https://forum.soccermanager.com/topic/38179-how-to-put-players-in-different-shirts-tutorial/#comment-808487>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.soccermanager.com/topic/38179-how-to-put-players-in-different-shirts-tutorial/>