1. Distanov, U.G., Mikhailov, A.S., Konyukhova, T.P., et al., Prirodnye sorbenty SSSR (Natural Sorbents in the Soviet Union), Moscow: Nedra, 1990.
2. Nikiforov, K.V., Kouchiya, M.V., and Foliter, L.I., Tsement, 1991, nos. 3–4, pp. 12–13.
3. Alykov, N.N., Alykova, T.V., Alykov, N.M., et al., Opoki Astrakhanskoi oblasti (Gaizes in Astrakhan Oblast), Astrakhan: Astrakhansk. Univ., 2005.
4. Khardyakov, A.E., Tseolity Severnogo Kavkaza (Zeolites in North Caucasus), Rostov-on-Don: Rostovsk. Univ., 2005.
5. Tseolitsoderzhashchie porody Tatarstana i ikh primenenie (Zeolite-Containing Rocks in Tatarstan and Their Application), Yakimov, A.V., Ed., Kazan: Fen, 2001.