(1) G. M. Abdullaev Institute of Physics, Academy of Sciences of Azerbaidzhan, Azerbaidzhan;(2) P. N. Lebedev Physical Institute, Russian Academy of Sciences, 53,Leninskii Prospekt, V-333, 117924 Moscow
Abstract:
Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 62, No. 3, pp. 145–151, May–June, 1995.