1. R.J. Klein Wassink, Soldering in Electronics, 2nd edn. (Electrochemical Publications Ltd., Scotland, 1989), p. 27
2. Official Journal of the European Union, Directive 2011/65/EU of the European Parliament and of the Council of 8 June 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (recast)
3. JIS Z 3282 Soft solders – chemical compositions and forms (2006)
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5. P.T. Vianco, J.A. Rejent, J. Electron. Mater. 28, 1127 (1999)