1. NEN (2007). NEN 7250, solar energy systems—integration in roofs and facades—building aspects
2. Blackmore P (2004) Wind loads on roof-based photovoltaic systems. BRE Digest 489:8
3. ISO 4355 (2013) Bases for design of structures—determination of snow loads on roofs
4. European Committee for Standardization (2003) CEN, EN 1991-1-3, eurocode 1, actions on structures—part 1–3: general actions—snow loads
5. Canadian roofing contractors’ association (2010) Technical bulletin, vol 57, p 4.
https://roofingcanada.com/wp-content/uploads/2018/05/Volume-57-Photovoltaics-in-Roofing-.pdf