(University of Tartu, 2013) Ilves, Taavi; Noorma, Mart, juhendaja; Pajusalu, Mihkel, juhendaja; University of Tartu. Faculty of Science and Technology; University of Tartu. Institute of Physics
(University of Tartu, 2013) Kiveste, Harti; Kiefer, Rudolf, juhendaja; University of Tartu. Faculty of Science and Technology; University of Tartu. Institute of Technology
