@book{9439,
	author = {Villegas, Marcelo and Londoño, Ximena.},
	title = {Guadua },
	publisher = {Villegas Editores},
	year = {2003},
	address = {Bogotá },
	edition = {1a. ed.},
	note = {Donación Villegas Editores }
}