1. USDoD, Unmanned Aircraft Systems Roadmap, 2005-2030, tech. rep., Office of the Secretary of Defense, Washington, 2005.
2. AUVs: in space, air, water, and on the ground;Shoenwald;IEEE Control Syst. Mag.,2000
3. Towards real-world searching with fixed-wing mini-UAV’s;Quigley,2005
4. Multi-UAV cooperative surveillance with spatio-temporal specifications;Ahmadzadeh,2006
5. Border patrol and surveillance missions using multiple unmanned air vehicles;Girard,2004