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2. Author Unknown (1974) “Diesel Engine for Sea Floor Power” Ocean Industry 9, 31–32.
3. Author Unknown (1975) “No-Exhaust Engine for Underwater” Naval Research Review, 28, 32–33.
4. Beagles, J. and Coll, E. (1966) “Diver’s Body Heat Loss” U.S. Navy Electronics Laboratory Research Report 1408.
5. Beckman, E. (1967) “Thermal Protective Suits for Underwater Swimmers” Military Medicine, 132, 195–209.