@book{95973,
	author = {Machimbarrena, Juan.},
	title = {Hormigon armado / },
	editor = {Imp. Elzeviriana)},
	publisher = {[s.n.], },
	year = {1923 (},
	series = {Biblioteca de Topografía y Construcción ; },
	address = {Madrid : }
}