1. Anon., PN-EN 13261: 2020. Railway applications – Wheelsets and bogies - Axles - Product requirements.
2. Anon., PN-EN 45545-1: 2013. Railway applications – Fire protection on railway vehicles – Part 1: General.
3. Anon., PN-EN 45545-2: 2021. Railway applications – Fire protection on railway vehicles – Part 2: Requirements for fire behaviour of materials and components.
4. Anon., PN-EN ISO 2808: 2019. Paints and varnishes – determination of film thickness.
5. Anon., PN-EN ISO 4624: 2016. Paints and varnishes – Pull – off test for adhesion.