Authors
Anamaria-Giulia Goilean
Faculty of Physics, West University of Timisoara, V Parvan 4, Timisoara, Romania
Eugenia Paulescu
Faculty of Physics, West University of Timisoara, V Parvan 4, Timisoara, Romania
Marius Paulescu
Faculty of Physics, West University of Timisoara, V Parvan 4, Timisoara, Romania
