@book{13593,
	author = {Institute, American Concrete.},
	title = {Cement and concrete terminology /},
	publisher = {ACI,},
	year = {1978.},
	series = {Publication sp-19.},
	address = {[S.l.] :},
	note = {Import.},
	url = {http://www.amazon.com/exec/obidos/ASIN/B0000EGFXL/chopaconline-20}
}