<https://adolphesax.com/saxforo/threads/saxo-alto-holton-quot-rudy-wiedoeft-model-quot.7700/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://adolphesax.com/saxforo/threads/saxo-alto-holton-quot-rudy-wiedoeft-model-quot.7700/>