Michael A. Unbehauen and  Gregory D. Sloan and  Alberto J. Squatrito,  The U.S. Missile Defense Shield and Global Security Destabilization: An Inconclusive Link.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2019, vol. 150(6). 789 - 803
    [viewed 10 December 2019]. Available from: https://publications.waset.org/pdf/10010456.