@book {4,
	title = {Conservacion ex situ de plantas silvestres},
	series = {Vida Silvestre},
	year = {2007},
	pages = {378},
	publisher = {Obra Social La Caixa y Gobierno del Principado de Asturias},
	organization = {Obra Social La Caixa y Gobierno del Principado de Asturias},
	url = {http://www.conservacionvegetal.org/upload/publicaciones/28/Conserv-exsitu_Bachetta_et_al._eds.pdf},
	author = {Bachetta, G. and Bueno S{\'a}nchez, A. and Fenu, G. and Jim{\'e}nez-Alfaro, B. and Mattana, E. and Piotto, B. and Virevaire, M.}
}
