@book{1540,
	author = {Clements, R.W.},
	title = {Design of reinforced concrete elements /},
	publisher = {George Godwin Ltd,},
	year = {1981.},
	address = {[S.l.] :},
	edition = {2nd Revised edition.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0711456461/chopaconline-20}
}