Boczkal, G., and M. Perek-Nowak. “STRUCTURE AND ELECTRICAL PROPERTIES OF Sn8Zn SOLDER ALLOY WITH Ag AND Ga ADDITIONS”. Metallurgy and Foundry Engineering, vol. 39, no. 1, Feb. 2014, p. 36, doi:10.7494/mafe.2013.39.1.36.