Walczak, Mariusz, and Kazimierz Drozd. “Effects of Intermediate Gold Layer on Bond Strength of Dental Porcelain to Titanium”. Current Issues in Pharmacy and Medical Sciences, vol. 26, no. 2, May 2013, pp. 167-70, https://doi.org/10.12923/j.2084-980X/26.2/a.11.