1. Robotic ‘layup’ of composite materials;Groppe;Assem. Autom.,2003
2. See, for example, https://www.robotics.org/blog-article.cfm/The-History-of-Robotics-in-the-Automotive-Industry/24.
3. Automated 2D Micro-Assembly Using Diamagnetically Levitated Milli-Robots;Hsu,2017
4. Tensile strength of whiskers;Brenner;J. Appl. Phys.,1956
5. R. Feynman's classic lecture “There's Plenty of Room at the Bottom” for American Physical Society Meeting at Caltech on December 29, 1959; Transcript available at: http://www.zyvex.com/nanotech/feynman.html.