Journal of Intelligent & Robotic Systems
Journal of Intelligent & Robotic Systems > 1999 > 24 > 4 > 347-366
Journal of Intelligent & Robotic Systems > 1999 > 24 > 4 > 387-401
Journal of Intelligent & Robotic Systems > 1999 > 24 > 4 > 313-346
Journal of Intelligent & Robotic Systems > 1999 > 24 > 4 > 367-385