1. T. Hattori, S. Athoh, T. Tagava, and J. Murakami, Preparation of Catalysts IV (Elsevier, Amsterdam, 1987), p. 113.
2. S. I. Pechenyuk, Izv. Akad. Nauk, Ser. Khim., No. 2, 229 (1999).
3. Yu. I. Sukharev, Synthesis and Applications of Specific Oxohydrate Sorbents (Energoatomizdat, Moscow, 1987) [in Russian].
4. V. V. Sakharov, L. M. Zaitsev, V. N. Zabelin, and I. A. Apraksin, Zh. Neorg. Khim. 17(9), 2392 (1972).
5. L. M. Zaitsev, V. N. Zabelin, V. V. Sakharov, et al., Zh. Neorg. Khim. 17(1), 60 (1972).