Pototskaya, Tatyana I., Alexander P. Katrovskiy, and Vladimir I. Chasovskiy. 2016. “Geopolitical Impact on Transformation of Territorial Organization of Russian Pipeline Transport in the Post-Soviet Time”. International Journal of Energy Economics and Policy 6 (4):782-88. https://econjournals.com./index.php/ijeep/article/view/3151.