1. Transport Networks: Inspire Registry (2015). https://inspire.ec.europa.eu/theme/tn
2. Transportation Networks: Travel Forecasting Resource. https://tfresource.org/topics/Transportation_networks.html
3. Durkin, J., Goodman, J. et al.: Building Multiservice Transport Networks (Networking Technology), 1st edn. Cisco Press (2012)
4. Murakami, M., Li, H., Ryoo, J.-d.: Packet Transport networks: Overview and future direction. In: 2nd APT/ITU Conformance and Interoperability Workshop (C&I-2) (2014, August). https://www.itu.int/en/ITU-T/C-I/interop/Documents/20140826/CI-2_INP-09_Packet_Transport_Networks_Overview_and_Future_Direction.pdf
5. Air Transport Network: https://en.wikipedia.org/wiki/Air_Transport_Network