Groups of Unmanned Vehicles: Differential Flatness, Trajectory Planning, and Control. - Stephen T. Pledgie; Yongxing Hao; Armando M. Ferreira; Sunil Kumar Agrawal; Robert Murphey (ICRA, 2002)

Vision-aided inertial navigation on an uncertain map using a particle filter. - Jason Durrie; Tristan Gerritsen; Eric W. Frew; Stephen T. Pledgie (ICRA, 2009)