E.-C. Bichir, „Geopolitical Process in Eastern Europe After Iron Curtain – Energy Issues. A Sociological Perspective”, srr, vol. 21, pp. 5–22, iun. 2012, Data accesării: nov. 12, 2026. Disponibil la: https://www.researchreports.ro/journal/article/view/37-geopolitical-process-in-eastern-europe-after-iron-curtain