Scenario Cluster decomposition of the lagragian dual in two- stage stochastic mixed 0-1 optimization Egileak: L.F. Escudero, M.A. Garín, G. Pérez, A. Unzueta Urtea: 2013 Aldizkaria: Computers & Operations Research Informazio gehigarria http://www.sciencedirect.com/science/article/pii/S0305054812001542