1. Einkristalle;Smakula;Wachstum Herstellung und Anwendung Springer-Verlag Berlin-Göttingen-Heidelberg-M nchen,1962
2. 2. Smakula, A. Patent Deutsches Reich No 685767. 01.11.1935.
3. 3. Nedostup, V.I., Zinchenko, V.F., Efryushina, N.P., Sosnin, O.V., & Galkevich E.P. (2002). Film-forming optical materials: state of research, production prospects. Tekhnologicheskie sistemy, 5, 37-40 [in Russian].
4. 4. Zinchenko, V.F., Maksimenko, V.I., Sobol, V.P., Sadkovska, L.V., & Timukhin, Ye.V. (2010). Application of Sm2 Ti2 O7 in technology of mirrors for He-Ne laser. Proceedings from: 5th International Conference on Advanced Optoelectronics and Lasers CAOL'2010. 10-14 September 2010, 233-235. Sevastopol: IEEE.
5. 5. Zinchenko, V.F., Antonovich, V.P., Magunov, I.R., Kocherba, G.I., Sobol, V.P., Mozkova, O.V., & Gorshtein, B.A. (2009). Film-Forming Materials and Multilayer Coatings of Interference Optics for IR-Technological Lasers. Science and Innovation, 5 (6), 5-10. http://doi.org/10.15407/scin5.06.005 [in Ukrainian].