Added link to
- “Robotics Concepts for the U. S. Space Station”. Transactions of the American Astronautical Society. AAS 85, 4-31 (1985) Also see: Space Exploitation & Utilization: Proceedings of the First AAS/JRS Symposium( Advances in the Astronautical Sciences
This appears to be the only available source although the publication itself could not be checked. Hard copy archived.
D. C. Dorrough Memorial 