1. Development and Qualification of Gemini Escape System;Burns,1967
2. IAASS-SSI-1700 Commercial Human-Rated System,2018
3. NASA-STD-3001, Volume 2, Revision A,2018
4. “Read ‘Limiting Future Collision Risk to Spacecraft: An Assessment of NASA's Meteoroid and Orbital Debris Programs’ at NAP.edu.” National Academies Press: OpenBook, 2011, www.nap.edu/read/13244/chapter/8#52.
5. Roller Coasters Can Be Fun and Safe If Guidelines Are Followed. intermountainhealthcare.org/blogs/topics/live-well/2015/07/be-serious-about-safety-guidelines-to-have-fun-on-extreme-roller-coasters/.