IDE-OTALEX C. The First Crossborder SDI between Portugal and Spain: Background and Development - Batista, Teresa; Caballero, Carmen; Ceballos, Fernando; Carriço, Cristina; Mateus, Julio; Lopes, Hugo; Vivas White, Pedro; Cabezas, José; Fernández, Luis; Pinto-Gomes, Carlos (2013)