1. Baev, Pavel K. (2015): Russia as Opportunist or Spoiler in the Middle East? International Spectator, 50 (2), 8–21
2. Barrie, Douglas/Barry, Ben/Béraud-Sudreau, Lucie/Boyd, Henry/Childs, Nick/Giegerich, Bastian (2020): Defending Europe: Scenario-Based Capability Requirements for NATO’s European Members. London: IISS; https://www.iiss.org/blogs/research-paper/2019/05/defending-europe
3. Barrie, Douglas/Béraud-Sudreau, Lucie/Boyd, Henry/Childs, Nick/Giegerich, Bastian/Hackett, James/Nouwens, Meia (2020): European defence policy in an era of renewed great-power competition. London/München: IISS/Hanns Seidel Stiftung, https://www.iiss.org/blogs/research-paper/2020/02/the-future-of-european-defence
4. Béraud-Sudreau, Lucie (2019): Franco-German Consensus on Arms Exports, Survival, 61 (4), 79–98
5. Borrell, Josep (2020): The Sinatra Doctrine: How the EU Should Deal With the US–China Competition. Rom: Istituto affari internazionali (IAI)