Kacper Szulecki Kirsten Westphal Taking security seriously in EU Energy Governance: Crimean Shock and the Energy Union In: Kacper Szulecki (ed.): Energy Security in Europe: Divergent Perceptions and Policy Challenges, Cham: Springer, October 2017, pp. 177-202 Forschungsgebiete Energie, Klima, Umwelt EU, Europa