1. Bredikhin, V.I., Dmitrenko, L.A., Kiseleva, N.V., Korolikhin, V.V., Kotova, M.A., Novikov, M.A., and Rubakha, V.I., Experimental Investigation of the Nature of the Infrared Absorption of α-LiIO3 Single Crystals, Sov. Phys. Crystallogr., 1982, vol. 27, no. 5, pp. 557–558.
2. Grebenshchikov, I.V., Vlasov, A.G., Neporent, B.S., and Suikovskaya, N.V., Prosvetlenie optiki. Umen’shenie otrazheniya sveta poverkhnost’yu stekla (Optical Bleaching: A Decrease in the Reflection of Light by the Surface of Glass), Moscow: Gostekhizdat, 1946 [in Russian].
3. Pierre, A.C. and Pajonk, G.M., Chemistry of Aerogels and Their Applications, Chem. Rev., 2002, vol. 102, no. 11, pp. 4243–4265.
4. Wang, J., Zhang, C.R., Feng, J., and Yang, D.X., Preparation and Infrared Spectral Analysis of Nanoporous Silica Thin Films, Guangpuxue Yu Guangpu Fenxi (Spectroscopy and Spectral Analysis), 2005, vol. 25, no. 7, pp. 1045–1048.
5. Sakamoto, Y. and Iida, H., Composition for Forming Low-Refractive Index Silica Coating Films, US Patent No. US 20070185263A1 (August 9, 2007).