1. J.T. Van der Zwan, J. Eikelboorn, Th. Bennis, Skidding and Texture. Report W-DWW-97-058, Department of Civil Engineering Service, the Ministry of Infrastructure and the Environment, the Netherlands, 1997.
2. J.H. Swart, Experience with porous asphalt in the Netherlands. Report W-DWW-97-058, Department of Civil Engineering Service, the Ministry of Infrastructure and the Environment, the Netherlands, 1997.
3. J. Voskuilen, Experiences with porous asphalt in the Netherlands. Presentation, Department of Civil Engineering Service, the Ministry of Infrastructure and the Environment, the Netherlands, 2005.
4. J. Voskuilen, The current state of practice in road engineering: winter damage. Presentation, Department of Civil Engineering Service, the Ministry of Infrastructure and the Environment, the Netherlands, 2011.
5. CROW. Standard RAW provisions. Specifications, the Technology Platform for Transport, Infrastructure and Public Space (CROW), the Netherlands, 2000.