1. 1. Owen, T. B. and Sorkin, G. , “Metallurgical Materials Problems Associated with Deep Diving Submarines,” presented at the 1960 annual meeting of the Metallurgical Society of AIME, New York City, Feb. 1960.
2. 2. “Solid Glass & Ceramic External Pressure Vessels,” Pennsylvania State University Institute.
3. 4. “Reinforced Plastics Graduate from Boats to Ships,” Modern Plastics, McGraw-Hill, Inc., March 1967.