1. P. I. Avdusin and M. A. Tsvetkova, On the Classification of Oil Reservoirs (Akad. Nauk SSSR, Moscow, 1943), Vol. 12, Part 2 [in Russian].
2. G. I. Teodorovich, Carbonate Facies of the Lower Permian–Upper Carboniferous of the Ural–Volga Region: Materials to the Knowledge of the Geological Structure of the USSR (Akad. Nauk SSSR, oscow, 1949) [in Russian].
3. F. A. Trebin, Oil Permeability of Sandstone Reservoirs (Gos. nauchn.-tekh. izd. neftyanoi i gorno-toplivnoi liter., Moscow, 1945) [in Russian].
4. K. I. Bagrintseva, Carbonate Reservoirs Rocks of Oil and Gas (Nedra, Moscow, 1977) [in Russian].
5. A. A. Khanin, Reservoir Rocks of Oil and Gas and Their Study (Nedra, Moscow, 1969) [in Russian].