@book{12523,
	title = {UK National Annex to Eurocode 1 : actions on structures},
	publisher = {BSI,},
	year = {2005},
	address = {London :},
	note = {Part 1-1 : To be used in conjunction with BS EN 1991-1:2002 ; Part 1-3 : to be used in conjunction with BS EN 1991-1-3:2003}
}