Authors
L. Smelkovs
Institute of Solid State Physics, University of Latvia, Riga, Latvia
V. Viksna
Institute of Solid State Physics, University of Latvia, Riga, Latvia
J. Teterovskis
Institute of Solid State Physics, University of Latvia, Riga, Latvia
J. Grube
Institute of Solid State Physics, University of Latvia, Riga, Latvia