1. Active control of vibrations in helicopters by periodic optimal control;Arcara,1997
2. Active magnetic damping attitude control for gravity gradient stabilised space craft;Arduini;J Guidance and Control,1997
3. Periodic control;Bittanti,1999
4. The Riccati equation,1991
5. Adaptive control applied to momentum unloading using the low Earth orbit environment;Burns;J Guidance, Control and Dynamics,1999