@book{52360,
	author = {Portland Cement Association. Chicago, Ill. and American Concrete Institute. Detroit, Mich.},
	title = {Diseño de estructuras de concreto},
	publisher = {Instituto Mexicano del Cemento y del COncreto,},
	year = {1978},
	address = {México :},
	note = {La biblioteca tiene: v.1}
}