@book{157968,
	author = {Igoa, José Ma.},
	title = {Escaleras },
	publisher = {CEAC,},
	year = {1998.},
	series = {Monografías ceac de la construcción },
	address = {Barcelona, España : },
	edition = {1a ed.},
	note = {Incluye apéndice e índice}
}