1. Operation of open-loop manipulators using the algebraic solution of closed-loop linkages;Gal,1977
2. Control of the Rancho electric arm;Moe,1972
3. Programmable industrial automation;Nitzan;IEEE Trans. Computers,1976
4. Kinematic Synthesis of Linkages;Denavit,1964
5. Calculus of Screwes;Yang,1974