1. E. I. Bagrii and A. I. Nekhaev, Neftekhim., 39, No. 2, 83-97 (1999).
2. O. V. Klimov, G. A. Bukhtiyarova, A. V. Pashigreva, et al., Neftepererab. Neftekhim., No. 3, 33-37 (2010).
3. E. D. Radchenko, Yu. N. Zelentsov, and G. N. Chernakova, Effect of Organic Nitrogen Compounds on Hydrocracking of Petroleum Fractions over Zeolite-Containing Catalysts [in Russian], TsNIITENeftekhim, Moscow (1987), p. 48.
4. A. V. Pashigreva, O. V. Klimov, G. A. Bukhtiyarova, et al., Catalysis Today, 150, No. 3-4, 164-170 (2010).
5. V. F. Kam’yanov, V. S. Aksenov, and V. I. Timov, Heteroatoms of Petroleum Components [in Russian], Nauka, Novosibirsk (1983), p. 240.