1. K. Asano, Control System for a Multi-joint Inspection Robot, Proc. 1984 National Topical Meeting on Robotics and Remote Handling in Hostile Environments, pp. 375–382 (1984)
2. P.K.J. Smith, The “WARRIOR” Welding Manipulator, Proc. Int. Advanced Robotics Programme, 1st Workshop on Manipulators, Sensors and steps towards Mobility, pp. 107–113 (1987)
3. D. Smith, C. Blume, M. Wadle, A Multi-Link Multipurpose Advanced Manipulator with a Large Handling Hemisphere for Out-door Applications, Proc. 5Th Int. Symp. On Robotics in Construction, pp. 625–634 (1988)
4. S. Hirose, Y. Umetani; An Active Cord Mechanism with Oblique Swivel Joints and Its Control, Proc. 4th RoManSy Symp., Zaborow,Poland, PWN-Polish Scientific Publishers, pp. 327–340 (1981)
5. S. Hirose, Biologically Inspired Robots (Snake-like Locomotor and Manipulator), Oxford University Press (1993)