UK National Annex to Eurocode 9: Design of aluminium structure-Part 1-1: General structural rules NA to BS EN 1999-1-1:2007+A1:2009 Incorporating National Amendment No. 1 and Corrigendum
bs.na.en.1993.1.1.2005
BS en 1991-1-3 2003 Eurocode 1. Actions on Structures. General Actions. Snow Loads NA
