1. V. N. Sergeev, E. Kh. Noll, and G. A. Zavarzin, Priroda (Moscow), No. 6, 54 (1996).
2. Tissot, B. and Welte, D., Petroleum Formation and Occurrence (Springer, Heidelberg, 1978).
3. Al. A. Petrov and N. N. Abryutina, Usp. Khim. 58, 983 (1989).
4. Al. A. Petrov, Geol. Nefti Gaza, No. 10, 50 (1988).
5. G. N. Gordadze, E. B. Grunis, A. V. Sokolov, et al., Geol. Geofiz. Razrab. Neft. Gaz. Mestorozhd., No. 4, 54 (2004).