1. Apollo 9 Mission Report – 1969, NASA, www.nasa.gov, 1999.
2. Arney,D. Bagchi, P. and Talati, C.” Lunar excursion module landing control system”, MIT-Technical Report, 2004.
3. Bilimoria, K. D. “Effects of Control Power and Guidance Cues on Lunar Lander Handling Qualities," Journal of Spacecraft and Rockets, vol.46, no.6, pp.1261-1271, 2009.
4. Bolton, W. Control Engineering, Longman, Malaysia, pp.67-75, 1998.
5. Dynamic intelligent autonomous control of an asteroid lander