1. I. Qaudri and J. Li, “Powder electrostatic charge,” in: Proc. 21st Intern. Enameller Cong., Shanghai (2008), pp. 171 – 180.
2. L. L. Bragina and A. P. Zubekhina (eds.), Technology of Enamel and Protective Coatings [in Russian], NTU “KhPI,” Kharkov; YuRGTU (NPI), Novocherkassk (2003).
3. L. Bragina, P. Shaligina, G. Voronov, et al., “Double purpose enamel frit for PUESTA technology,” in: Proc. 21st Intern. Enameller Cong., Shanghai (2008), pp. 83 – 96.