@book{549900,
	author = {American Concrete Institute.},
	title = {ACI manual of concrete inspection /},
	publisher = {American Concrete Institute,},
	year = {c1981.},
	series = {Publication / American Concrete Institute ;},
	address = {Detroit (P.O. Box 19150, Detroit 48219) :},
	edition = {7th ed.}
}