@book{9581,
	author = {American Concrete Institute and Dixon, Donald E., },
	title = {Proporcionamiento de mezclas},
	publisher = { IMCYC},
	year = {, 2004},
	address = {México :},
	edition = {1a ed.},
	note = {Traducción de :Standard practice for selecting proportions for normal, heavyweight, and mass concrete}
}