1. Barbera,A.J. et al: “Hierarchical Control of Robots using Microprocessors” Proc. 9th Int. Symp. on Indusrial Robots, 1979
2. Veda,M. et al: “A Real-Time Shape Recognition of Moving Objects” Proc. 11th Int. Symp. on Industrial Robots, Tokyo 1981
3. Hoifoldt,J.R., Hakonson, H.: “SIMAGE - Si's Image Recognition System” Proc. 11th Int. Symp. on Industrial Robots, Tokyo 1981
4. Sasaki,N., Matsushima,K.: “Industrial Robots Controlled with High Speed Micro-Computer” Proc. 11th Int. Symp. on Industrial Robots, Tokyo 1981
5. Iigima,J. et al: “Elementary Functions of a Self-Contained Robot” Proc. 11th Int. Symp. on Industrial Robots, Tokyo 1981