Moreno-Pérez, José A., Belén Melián-Batista, and Manuel Laguna. 2005. “Scatter Search Based Met Heuristic for Robust Optimization of the Deploying of ‘DWDM’ Technology on Optical Networks With Survivability”. Yugoslav Journal of Operations Research 15 (1):65-77. https://doi.org/10.2298/YJOR0501065M.