RÜHLE, M., “Daydream Believers: Assertive Rhetoric about European Security Autonomy Rings Hollow’, Berlin Policy Journal, Nov.23, 2016 https://berlinpolicyjournal.com/daydream-believers/.
SALMON, T.C. y SHEPERD, A. J. K. Toward a European Army: a military power in the making?, 1ª ed., Lynne Rienner Publishers, Boulder, 2003,...
SAVOY, C. M. y STAGUHN, J. (2022). “Global Development in an Era of Great Power Competition”, Center for Strategic and International Studies,...
SERRANO DE HARO, P. A., “Truth and Dare: A Personal Reflection on 20 Years of CSDP”, en FIOTT, D. (ed.), The CSDP in 2020, European Union...
SHEA, J., “How Is NATO Meeting the Challenge of Cyberspace?”, PRISM, 7.2, 2017, pp. 19–29, pp. 26–27. .
SIMÓN, L., “EU-NATO Cooperation In An Era Of Great-Power Competition”, Policy Brief of the German Marshall Fund of the United States, 28,...
SMITH, H., “Countering Hybrid Threats”, en LINDSTROM, G. y TARDY, T. (eds.), The EU and NATO: The Essential Partners, EUISS and NATO Defence...