1. A giotto-based helicopter control system;Kirsch,2002
2. O. Tanner, Modelling, identification, and control of autonomous helicopters, Ph.D. Thesis, ETH, diss. Nr. 14899, 2003. URL http://tinyurl.com/yxmfdd
3. The witas unmanned aerial vehicle project;Doherty,2000
4. D. Shim, H. Chung, H.J. Kim, S. Sastry, Autonomous exploration in unknown urban environments for unmanned aerial vehicles, in: AIAA GN&C Conference, San Francisco, 2005, pp. 1–8. URL http://tinyurl.com/y952ey
5. Decentralized nonlinear model predictive control of multiple flying robots in dynamic environments;Shim,2003