Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems. IROS '96 Intelligent robots and systems Intelligent Robots and Systems '96, IROS 96, Proceedings of the 1996 IEEE/RSJ International Conference on. 3:1241-1248 vol.3 1996
Proceedings of 13th International Conference on Pattern Recognition Pattern recognition Pattern Recognition, 1996., Proceedings of the 13th International Conference on. 4:740-744 vol.4 1996