Concept for Energy Security MatrixKisel, Einari; Hamburg, Arvi; Härm, Mihkel; Leppiman, Ando; Ots, MärtEnergy policy2016 / p. 1-9 : ill https://doi.org/10.1016/j.enpol.2016.04.034 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS