1. Kalinina, A.A. Oil shale in the structure of the perspective energy balance of the Komi ASSR (in Russian) // Oil shale, 1984, No.2. - P. 113-118.
2. Nadirov N.K., Brown A.E., Trokhimenko M. S. et al. // Oil-bituminous rocks of Kazakhstan: Problems and prospects. Alma-Ata: Science, 1985. 376 p.
3. Nadirov N.K. High viscosity oils and natural bitumen in 5 volumes. Volume 1: History. Pools and properties. Almaty. 2001 y. 356 p.
4. Nadirov N.K. Oil and gas of Kazakhstan. Almaty, 1995. Part 2. 400 p.
5. Ganieva T.F., Polovnyak V.K. High viscosity oils, natural bitumen and bituminous rocks. Textbook. Kazan. KNITU Publishing House. 2012. -99 p.6. 6. Geology and development of natural bitumen deposits of the Republic of Tatarstan / R. S. Khisamov, N. S. Gatiyatullin, I. E. Shargorodsky. – Kazan: FENG, RT. 2007. –295 p.