1. Lana-TergiF. “The Aerial Ship,” Aeronautical Soc. of Great Briton, London, 1910.
2. MetlenT. “Design of a Lighter than Air Vehicle that 3Achieves Positive Buoyancy in Air Using a Vacuum,” M.S. Thesis, Air Force Inst. of Technology, Wright–Patterson AFB, OH, June 2013.
3. Adorno-RodriguezR. “Nonlinear Structural Analysis of an Icosahedron and its Application to Lighter than Air Vehicles Under a Vacuum,” M.S. Thesis, Air Force Inst. of Technology, Wright–Patterson AFB, OH, March 2014.