1. F.L. Zhu, H.H. Zhang, R.F. Guan et al., J. Mater. Sci: Mater. Electron. 17, 379–384 (2006)
2. B.P. Richard, G.L. Levoguer, K. Nimmo, An Analysis of the Current Status of Lead-Free Soldering (Department of Trade and Industry, UK, 1999)
3. M. Abtew, G. Selvaduray, J.Mater. Sci. Eng. R 27, 95–141 (2000)
4. D.R. Frear, Electron. Inf. Technol. 118, 81–86 (2001)
5. B. Salam, N.N. Ekere, D. Rajkumar, Proc 51st Electron. Comp. Technol. Conf. (IEEE Inc, Orlando, 2001) pp. 471–477