D. Sigthorsson, M. Oppenheimer, and D. Doman. AIAA Guidance, Navigation, and Control Conference, Toronto, CA, American Institute of Aeronautics and Astronautics, (August 2010)
M. Bhatia, M. Patil, C. Woolsey, B. Stanford, and P. Beran. AIAA Atmospheric Flight Mechanics Conference, Minneapolis, US-MN, American Institute of Aeronautics and Astronautics, (August 2012)
B. Wittenmark. 5th IFAC Symposium on Adaptive Systems in Control and Signal Processing, page 67--72. Budapest, HU, International Federation of Automatic Control, (1995)
Z. Khan, and S. Agrawal. Proceedings of the 2007 American Control Conference, page 5284--5289. New York, US-NY, Institute of Electrical and Electronics Engineers, (July 2007)
X. Deng, L. Schenato, and S. Sastry. Proceedings of the 2003 IEEE International Conference on Robotics & Automation, page 1152-1157. Taipei, TW, Institute of Electrical and Electronics Engineers, (September 2003)