1. EN 1990 Basis of Structural Design, CEN, 2002.
2. EN 1991-1-3 Eurocode 1: Actions on Structures Part 1.3: General Actions – Snow Loads CEN, 2005.
3. EN 1993 Eurocode 3: Design of Steel Structures CEN, 2005.
4. Sanpaolesi, L. Scientific support activity in the field of structural stability of civil engineering works snow loads, Commission of the European Communities, DGIII – D3 Report – University of Pisa, 1999.
5. Background Documentation to Eurocode 3, Document 2.01: Background Document for Chapter 2 of EC 3, Commission of the European Communities 1989.