1. Gal’chenko, V.F., Metanotrofnye bakterii (Methanotrophic Bacteria), Moscow: GEOS, 2001.
2. Razumovsky, S.D., Efremenko, E.N., Makhlis, T.A., Senko, O.V., Bikhovsky, M.Ya., Podmaster’ev, V.V., and Varfolomeev, S.D., Russ. Chem. Bull., 2008, vol. 57, no. 8, p. 1633.
3. Barthel-Rosa, L.P. and Gladysz, J.A., Coord. Chem. Rev., 1999, vols. 190–192, p. 587
4. Wolf, E., Koten, G., Deelmande, B.-J., Chem. Soc. Rev., 1999, vol. 28, p. 37.
5. Aslanov, L.A., Zakharov, M.A., and Abramycheva, N.L., Ionnye zhidkosti v ryadu rastvoritelei (Ionic Liquids in a Series of Solvents), Moscow: Mosk. Gos. Univ., 2005.