Soares, D., Vilarinho, C., Barbosa, J., Silva, R. and Castro, F. (2005) “Effect of the bismuth content on the interface reactions between copper substrate and Sn-Zn-Al-Bi lead-free solder”, Revista de Metalurgia, 41(Extra), pp. 208–212. doi: 10.3989/revmetalm.2005.v41.iExtra.1026.