  O. Pedrola, M. Ruiz, L. Velasco, D. Careglio, O. González de Dios, and J. Comellas. A GRASP with path-relinking heuristic for the survivable IP/MPLS-over-WSON multi-layer network optimization problem. Computers & Operations Research , 00:0000-0000, 0000. MathSciNet  M. Pérez, F. Almeida, and J.M. Moreno-Vega. A hybrid GRASP-path relinking algorithm for the capacitated p