WESTIN, Mats et al. 10 year report on COST E37 Round Robin tests – comparison of results from laboratory and field tests. In Proceedings IRG annual meeting [elektronický zdroj]. - Stockholm : IRG, 2017. ISSN 2000-8953, [12] p. [online]. Dostupné na internete: <http://www.shr.nl/uploads/pdf-artikelen/2017-06-00-jc-irg-10-year-report-on-cost-e37-round-robin-tests.pdf>