1. Large-Area Soft e-Skin: The Challenges Beyond Sensor Designs
2. a) Unimate – The First Industrial Robot https://robots.ieee.org/robots/unimate/(accessed: March 2021);
3. b) Rancho Arm https://www.computerhistory.org/revolution/artificial-intelligence-robotics/13/293/1278(accessed: March 2021);
4. c) Mobie Robot Stanford Arm developed at Stanford 1969 http://infolab.stanford.edu/pub/voy/museum/pictures/display/1-Robot.htm(accessed: March 2021).