1. prEN 12697-49 Bituminous mixtures – Test methods for hot mix asphalt – Part 49: Determination of the laboratory skid resistance after polishing (Wehner-Schulze-Apparatus). CEN. 2011.
2. Halaskova, J. (2009). Experience with measuring device Wehner/Schulze. Proceedings of Conference Juniorstav 2009. 11. International Conference of Postgraduate Students. Brno University of Technology. (pp. 150-155). Brno. ISBN 978-80-214-3810-1.
3. EN 1097-8 Test for mechanical and physical properties of aggregates – Part 8: Determination of the polished stone value, CEN, 2009.
4. Huschek, S. (2007). Polishing resistance of mineral aggregates and pavement skid resistance. Proceedings of seminars with international participation Measurement and evaluation of road surfaces skid resistance. Brno. ISBN 978-80-214-3429-5.
5. Kudrna, J., Daskova, J., Malis, L. (2010). Testing of skid resistance of cement-concrete pavement by Wehner/Schulze device. Proceedings of Conference Testing and Quality in Construction. Brno University of Technology. (pp. 333-344). Brno. ISBN 978-80-214-4144-6.