@book{25,
	author = {Allen, Edward / and Iano, Joseph/},
	title = {Fundamentals of building construction  materials and methods/},
	publisher = {Wiley},
	year = {2009},
	series = {Construcción},
	address = {Hoboken (Nueva Jersey, Estados Unidos)},
	edition = {5th ed.},
	note = {Incluye el índice analítico },
	url = {http://www.loc.gov/catdir/toc/ecip0826/2008036198.html}
}