@book{19232,
	author = {American Concrete Institute. Detroit, Mich. and Instituto Mexicano del Cemento y del Concreto.},
	title = {Colocación de concreto por medio de bandas transportadoras; ACI-304},
	publisher = {American Concrete Institute,},
	year = {1977},
	series = {Nueva serie. IMCYC},
	address = {México, D.F. :}
}