@book{32940,
	author = {Norris, Charles Head. and Utku, Senol.},
	title = {Análisis elemental de estructuras},
	publisher = {McGraw-Hill,},
	year = {1982},
	address = {México, D. F. :},
	edition = {2 ed.},
	note = {Trad. de la 3 ed. en inglés de 1976}
}