@article{Gallicchio2018b,
  author = "C. Gallicchio and A. Micheli and L. Pedrelli",
  title = "Design of deep echo state networks",
  year = 2018,
  journal = "Neural Networks",
  volume = 108,
  pages = "33-47",
  doi = "10.1016/j.neunet.2018.08.002",
  url = "https://www.sciencedirect.com/science/article/pii/S0893608018302223"
}