Shishkina E.; Kiselev S.; Kharisova G.; Chikisheva N.; Litvin I.; Fatikhova L.; Khrustalev B.
(2015)
© 2015 by the author(s). The importance of the petroleum sector in the domestic economy today cannot be overestimated in connection with its role as a revenue generating industry, which is especially relevant the study of ...