1. D. Dkharia, W. Letch, H. Kim, et al., Neftegaz. Tekhnol., No. 5, 64 (2004).
2. A. Fu, D. Hunt, J. A. Bonilla, and A. Batachari, Oil Gas J. 96, 49 (1998).
3. V. P. Doronin, T. P. Sorokina, V. K. Duplyakin, et al., Katal. Prom-sti, No. 2, 37 (2003).
4. V. P. Doronin and T. P. Sorokina, Ros. Khim. Zh. (Zh. Ros. Khim. Ob-va Im. D.I. Mendeleeva) 51, 23 (2007).
5. V. P. Doronin, T. P. Sorokina, L. A. Belaya, and P. V. Lipin, RU Patent No. 2365409, Byull. Izobret., No. 24 (2009).