[1] Tomescu, T.C., “The influence of the crisis in Ukraine on the strategic political-military directions set at the Alliance’s Summit in Wales in 2014 and of the NATO - Russia relation”, Land Forces Academy’s Review, vol. XX, No 1 (77), Q1, 2015, p 26
[3] Col Mastriano, D., PHD, (Collective of authors), Project 1721: A U.S. Army War College Assessment on Russian Strategy in Eastern Europe and Recommendations on How to Leverage Landpower to Maintain the Peace, Strategic Studies Institute of the U.S. Army War College 2016, p. xi