1. American Welding Society, “Welding Handbook,” 3rd ed., New York, 1950.
2. Ibid., 4th ed., Sections 1 and 2, New York, 1958.
3. “Handbook of Fastening and Joining of Metal Parts.”;Laughner,1956
4. Linde Air Products Company, “The Oxy-Acetylene Handbook.” New York, 1954.
5. Constricted tungsten-arc cutting of aluminum;Oyler;Welding J.,1956