@book{549631,
	author = {Leet, Kenneth. and Bernal, Dionisio.},
	title = {Reinforced concrete design :},
	publisher = {McGraw-Hill Co.,},
	year = {c1997.},
	address = {New York :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/toc/mh022/96031173.html}
}