1. S. Jin, J. Metals 45 (1993) 13.
2. D. Hanson and E. J. Sanford, J. Inst. Metals 59 (1936) 159.
3. Idem., ibid. 62 (1938) 215.
4. J. Hwang, in ?Electronics packaging and interconnection handbook? (McGraw-Hill, New York, 1991).
5. P. T. Vianco and D. R. Frear, J. Metals 45 (1993) 14.