(Text books on lighting applications)
- Performance of road markings and road surfaces (pdf)
Kai Sørensen, 21. marts 2011 - Performance of retroreflective road equipment (pdf)
Kai Sørensen, 8. juni 2012 - Road lighting (pdf)
Kai Sørensen, 8 April 2013 - Annex E to road lighting: Tunnel lighting
Kai Sørensen, december 2014