S. A. Popov, R. Sh. Nasyrov, and A. S. Lebedev, “Facility for making quartz glasses in vacuum and reactive-gas medium,” Steklo Keram., No. 9, 23 – 25 (2012); S. A. Popov, R. Sh. Nasyrov, and A. S. Lebedev, “Facility for making quartz glasses in vacuum and reactive-gas medium,” Glass Ceram., 68(9 – 10), 306 – 307 (2012).
R. Sh. Nasyrov and V. M. Lopatin, “Vacuum-compression electric furnace, Patent for useful model RU 150474, IPC F27B14/04,” Byull. Izobr. Polezn. Modeli, No. 5 (2015).
R. Sh. Nasyrov, “Method of obtaining high-purity concentrate from natural quartz, Patent RU 2431601, IPC C01B33/00,” Byull. Izobr. Polezn. Modeli, No. 29 (2011).
B. S. Lunin, Physical-Chemical Principles for the Development of Hemispherical Quartz Resonators of Solid-State Gyroscopes [in Russian], Izd. MAI, Moscow (2005).
R. Sh. Nasyrov, V. M. Lopatin, and B. S. Lunin, “Optical transmission and internal friction in fused quartz melted from natural raw materials,” Mendeleyev Commun., No. 22, 334 – 335 (2012).