1. National Institute of Standards and Technology.Cyber‐physicawl systems;2020. Last accessed 2 October 2020.https://www.nist.gov/el/cyber‐physical‐systems.
2. Why Smart Appliances May Result in a Stupid Grid: Examining the Layers of the Sociotechnical Systems
3. On governors;Maxwell JC;Proceedings of the Royal Society of London.,1868
4. The Worldwide History of Telecommunications