1. Koo, T.J., Sastry, S.: Output tracking control design of a helicopter model based on approximate linearization. In: Proceedings of the 37th Conference on Decision and Control. Tampa, Florida (1998)
2. Stevens, B.L., Lewis, F.L.: Aircraft Control and Simulation. Wiley, New York (2003)
3. Castillo, P., Lozano, R., Dzul, A.: Modelling and Control of Mini Flying Machines. Springer, Berlin (2005)
4. Bouabdallah, S., Noth, A., Siegwart, R.: PID vs LQ control techniques applied to an weight augmentation high energy consumption indoor micro quadrotor. In: Proceedings of 2004 1EEElRS.J Internationel Conference on Intelligent Robots and Systems. Sendal, Japan (2004)
5. Madani, T., Benallegue, A.: Backstepping control for a quadrotor helicopter. In: Proceedings of the 2006 IEEE/RSJ International Conference on Intelligent Robots and Systems. Beijing, China (2006)