@book{4278,
	author = {Bedford, Anthony  and Liechti, Kenneth M.},
	title = {Mecánica de materiales},
	publisher = {Pearson Educación de Colombia, },
	year = {2002 },
	address = {Bogotá : },
	edition = {1a ed.},
	note = {Incluye apéndices e índice}
}