1. R. S. Gaugler, Heat Transfer Device. U. S. Patent 2, 350, 348, June 6, 1944.
2. L. Trefethen, On the Surface-Tension Pumping of Liquids, or, a Possible Role of the Candlewick in Space Exploration. General Electric Tech. Inform. Ser., No. 61SD114, Feb. 1962.
3. Structures of very high thermal conductance;Grover;J. Appl. Phys.,1964
4. T. P. Cotter, Theory of Heat Pipes. Los Alamos Sci. Lab., LA-3246-MS, Feb. 1965.
5. S. Katzoff, Heat Pipes and Vapor Chambers for Thermal Control of Spacecraft. AIAA Thermophysics Specialist Conf., AIAA 67–310, April, 1967.