@article{Sarmiento:167839,
      author        = "Sarmiento, S. and Altabas, J.A. and Izquierdo, D. and
                       Garces, I. and Spadaro, S. and Lazaro, J.A.",
      title         = "{Cost-Effective DWDM ROADM Design for Flexible Sustainable
                       Optical Metro-Access Networks}",
      year          = "2017",
}