<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://www.digitalspy.com/tv/doctor-who/news/a547526/doctor-who-bbc-too-timid-to-cast-female-doctor-says-colin-baker/>