1. Adolphi, P., Storr, M., Zwahr, H., et al., Speciation of Alkaline, Alkaline Earth and Rare Earth Elements in Kaolins, in Proceedings of the 7th Euroclay Conference, Dresden’91, Ernst-Moritz-Arndt Universität Greipswald, 1991, vol. 1, pp. 7–12.
2. Akhmet’ev, M.A., Oligocene and Miocene Floras in the Southern Far East of the USSR As Indicators of Climatic Setting, Izv. Akad. Nauk SSSR, Ser. Geol., 1974, no. 4, pp. 134–144.
3. Akhmet’ev, M.A., Volobueva, V.I., Gladenkov, Yu.B., and Sheludchenko, S.D., Late Paleogene Cooling in the East of the USSR from Paleobotanic Data, Byull. Mosk. O-va Ispyt. Prir., Otd. Geol., 1986, vol. 61, no. 4, pp. 87–100.
4. Arias, M., Barral, M.T., and Diaz-Fierros, F., Effects of Iron and Aluminium Oxides on the Colloidal and Surface Properties of Kaolin, Clays Clay Miner., 1995, vol. 43, no. 4, pp. 406–416.
5. Askhabov, A.M., Contemporary Invasion into the “World of By-passed Quantities,” in Mineralogicheskaya interventsiya v mikroi nanomir (Mineralogical Intervention in the Micro- and Nanoworld), Syktyvkar, 2009, pp. 9–10.