1. H.H. Manko:Solders and Soldering, McGraw-Hill Book Co., New York, NY, 1984, p. 122.
2. J.D. Esdaile, K. Ng, and N.G. Siviour:Metall. Trans. B, 1985, vol. 16B, pp. 91–96.
3. C.H.P. Lupis:Metall. Trans. B, 1978, vol. 9B, pp. 231–39.
4. C. H. P. Lupis:Chemical Thermodynamics of Materials, Elsevier Science Publishing Co., New York, NY, 1983, pp. 315–24.
5. Metals Handbook: Metallography, Structures and Phase Diagrams, Vol. 8, American Society for Metals, Metals Park, OH, 1973, p. 330.