1. K.I. Johnson, editor, Introduction to Microjoining (Abington, MA: TWI, 1985).
2. C.A. Harper, Handbook of Materials and Processes for Electronics (New York: McGraw-Hill, 1970).
3. Resistance Welding Manual, fourth edition (Philadelphia, PA: Resistance Welder Manufacturers’ Association, 1989).
4. D.W. Dickinson, J.E. Franklin, and A. Stanya, Welding Journal, Welding Research Supplement 59, 170-s to 176-s (1980).
5. J.E. Gould, Welding Journal, Welding Research Supplement 66, 1-s to 10-s (1987).