Bichir, E.-C. (2012) « Geopolitical Process in Eastern Europe After Iron Curtain – Energy Issues. A Sociological Perspective », Social Research Reports, 21, p. 5–22. Disponible sur: https://www.researchreports.ro/journal/article/view/37-geopolitical-process-in-eastern-europe-after-iron-curtain (Consulté le: 12 novembre 2026).