1. 5) Kurabayashi, D., Asama, H., Kaetsu, H., Endo, I., and Arai.T. : Knowedge Acquisition and Sharing among Autonmous Robots by Inteigent Data Carriers, Advanced Robotics, 16, 2, (2002) 105.
2. 9) Ota, J. Service Robot as an Interface Agent among Functional Objects, Atti del Sesto Convegno della Associazione Italiana per l'Intelligenza Aritificiale (AI*IA98), (1998) 259.
3. 11) Katsuki, R., Ota, J., Mizuta, T., Kito, T., Arai, T., Ueyama, T. and Nishiyama, T. : Design of an Artificial Mark to Determine 3D Pose by Monocular Vision, Proc. 2003 IEEE Int. Conf. Robotics and Automat., (2003) 995.