D. PREYGER and V. OMELCHENKO, “CASPIAN DILEMMA: HOW TO DELIVER BLUE FUEL TO THE EUROPEAN MARKET”, CAC, vol. 6, no. 3, pp. 120–128, Jun. 2005, Accessed: Jan. 09, 2025. [Online]. Available: http://13.200.237.241/CAC/index.php/cac/article/view/782