1. Quanser Inc. (2006). 3DOF Helicopter system, product information, available http://www.quanser.com, Ontario (Canada).
2. Brian L. Stevens and Frank L. Lewis, (1992). Aircraft control and simulation, John Wiley & Sons, Inc.
3. Alvis, W., Castillo, C., Castillo-Effen, M., Moreno, W., Valavanis, K.P. (2007).A Tutorial Approach to Small Unmanned Helicopter Controller Design for Nonaggressive Flights. Kimon P. Valavanis (ed.), Advances in Unmanned Aerial Vehicles, 119-170. © 2007 Springer. Netherlands.
4. Hao, L., Yao,Y., Geng, L., and Yisheng, Z. (2010). Robust LAR Attitude control of 3DOF Helicopter, proceeding of the 29th Chinese control conference, July 29-31, Benjing, China.
5. Tijani, I.,B., Akmeliawati, R., Legowo, A. and Muthalif, A.G.A. (2011).Optimized LQR controller synthesis for 3DOF helicopter using multi-objective differential evaluation (mode). Computational Intelligence in Robust Control. Ch.2. IIUM. Malaysia. To be published.