@book{40294,
	author = {U.S. Department of the Interior Bureau of Reclamation },
	title = {Concrete manual :},
	publisher = {United State Goverment Printing Office},
	year = {1988.},
	address = {Washington,},
	edition = {Eighth ed.rev.;},
	note = {A manual for the control of concrete construction.

U.S. Department of the Interior Bureau of Reclamation }
}