1. 1Totah, J., Krishnakumar, K., and Vikien, S. "Integrated Resilient Aircraft Control - Stability, Maneuverability, and Safe Landing in the Presence of AdverseConditions", NASAAeronautics Research Mission Directorate Aviation Safety Program, April 13,2007.
2. 4Jenkins, D.R."Hypersonics before the Shuttle: A Concise History of the X-15 Research Airplane", NASA Special Publication, SP-2000-4518, June2000, Monographs in Aerospace History: No. 18.
3. A comparison of intelligent, adaptive, and nonlinear flight control laws