@book{4891,
	author = {Rommel, Willi and Díaz de Castro, José María},
	title = {Construyo objetos prácticos de metal},
	publisher = {Santillana},
	year = {1967},
	series = {Enciclopedia de las aficciones},
	address = {Madrid},
	edition = {2ª ed.}
}