1. M. L. Lyubimov, Metal-Glass Seals [in Russian], Énergiya, Moscow (1968).
2. Yu. A. Guloyan, Physical-Chemical Principles of Glass Technology [in Russian], Vladimir (2008).
3. GOST 20.57.406–81: Methods of Testing Electronics, Quantum Electronics, and Electrotechnical Articles [in Russian], Standartinform, Moscow (2005).