UNE EN 13480-3:2017/A3:2020 Metallic industrial piping - Part 3: Design and calculation (Endorsed by Asociación Española de Normalización in September of 2020.) - European Standards
EN 13480-3:2012 - Metallic industrial piping - Part 3: Design and calculation
The Piping Guide For The Design and Drafting of Industrial Piping Systems | PDF