Robotics and Autonomous Systems
Robotics and Autonomous Systems > 2003 > 44 > 1 > 69-81
Robotics and Autonomous Systems > 2003 > 44 > 3-4 > 209-217
Robotics and Autonomous Systems > 2003 > 44 > 1 > 69-81
Robotics and Autonomous Systems > 2003 > 44 > 3-4 > 209-217