1. 1. Optimum Underwater Manipulator Systems for Manned Submersibles, Final Study Report 31 March 1966 North American Aviation Nobs Contract 92401.
2. 2. Existing Underwater Manipulators by W. Hun-ley and W. Houck ASME Publication no. 65 unit 8 March 17, 1965.
3. 3. A Mechanical Hand with Automatic Proportional Control Prehension Technical Report 6611 by Lloyd L. Salisbury and Albert B. Colman U.S. Army Medical Biomechanical Research Laboratory, Walter Reed Medical Center, Washington, D.C. 20012.
4. 4. Underwater Buoyancy Systems NOTS TP 4100-5 Part 4.