(Thrassy) N. MARKETOS, Thrassyvoulos. “EUROPEAN ENERGY SECURITY AND THE BALKANS: A BATTLEGROUND FOR THE U.S.-RUSSIA STRUGGLE FOR THE GEOSTRATEGIC CONTROL OF EURASIA”. CENTRAL ASIA AND THE CAUCASUS, vol. 9, no. 5, Oct. 2008, pp. 54-65, https://ca-c.org/CAC/index.php/cac/article/view/1210.