@book{35527,
	author = {Villegas, Marcelo and Londoño, Ximena.},
	title = {Guadua },
	publisher = {Villegas Editores},
	year = {2003},
	address = {Bogot },
	edition = {1a. ed.},
	note = {Donacin̤ Villegas Editores }
}