Citation:D'Amato, Anthony; Springmann, John; Ali, Asad; Cutler, Jamie; Ridley, Aaron; Bernstein, Dennis (2011). "Adaptive State Estimation for Nonminimum-Phase Systems with Uncertain Harmonic Inputs." AIAA Guidance, Navigation, and Control Conference, Portland, Oregon, Aug. 8-11, 2011, AIAA-2011-6315.