1. Brunauer, C., Adsorbtsiya gazov i parov (Adsorption of Gases and Vapors), Moscow: Izd-vo inostr. lit-ry, 1948.
2. Tekhnicheskaya entsiklopediya. Spravochnik fizicheskikh, khimicheskikh i tekhnologicheskikh velichin (Technical Encyclopaedia. Reference Book of Physical, Chemical, and Technological Quantities), Berkengeim, B.M., Ed., Moscow: “Sovetskaya entsiklopediya”, 1930, vol. 5.
3. Yakovlev, V.Yu., Fomkin, A.A., Tvardovskii, A.V., et al., Izv. Akad. Nauk, Ser. Khim., 2003, no. 2, p. 338.
4. Ivanova, T.N., Serpinskii, V.V., and Baranova, V.P., Izv. Akad. Nauk SSSR, Ser. Khim., 1986, no. 2, p. 273.
5. Gusev, V.Y. and Fomkin, A.A., Adsorpt. Sci. Technol., 1991, vol. 8, no. 2, p. 75.