@book{13099,
	author = {Hughes, Barry Peter.},
	title = {Limit State Theory for Reinforced Concrete Design},
	publisher = {Pitman Publishing,},
	year = {1976.},
	address = {[S.l.] :},
	edition = {2nd Revised edition.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0273003046/chopaconline-20}
}