Institution: | (1) Research Center for Atomic Physics and Astrophysics, Faculty of Physics, University of Bucharest, Atomistilor 405, CP Mg-11, Magurele, 077125, Romania;(2) Faculty of Physics, University of Bucharest, Atomistilor 405, Magurele, 077125, Romania;(3) Institute of Geodynamics “Sabba S. Stefanescu”, Jean-Louis Calderon 19-21, Bucharest, 020032, Romania |