1. Rudkovskii, D.M. and Imyanitov, N.S.,Zh. Prikl. Khim., 1962, vol. 35, no. 11, p. 2719.
2. Marko, L.,Chem. Ind., 1962, no. 6, p. 260.
3. Vishnevskii, N.E., Glukhanov, N.P., and Kovalev, I.S.,Mashiny i apparaty s germetichnym elektroprivodom (Machines and Apparatus with Hermetic Electric Drives), Leningrad: Mashinostroenie, 1977, p. 47.
4. Vigranenko, Yu.T., Rybakov, V.A., and Kashina, V.V.,Kinet. Katal., 1996, vol. 37, no. 6, p. 834.
5. Szabo, P., Marko, L., and Bor, G.,Chem. Tech., 1961, vol. 13, no. 9, p. 549.