1990

88.            V. Kozhukharov, D. Dimitrov, M. Marinov
                 "Investigation of Te-O-La thin films obtained by pulsed laser evaporation"
                  Invited Lecture at 4-th International Otto-Schott Colloquim Friedrich-Schiller
                  University- Jena,
                  Germany, July 23-27 (1990) 117. J. Non-Cryst. Sol. 129 (1991) 117 - 125

89.             V. Veiko, E. Iakovlev, G. Kostjiuk, V. Chuiko, P. Fomichov,V. Kozhukharov
                  "New technology of optical components based on local laser
                  termoconsolidation of porous glasses and coats"
                   SPIE - Opt. Eng., Sol-Gel Optics, 1328 (1990) 201 -205. V. Kozhukharov
                  Non- conventional methods for glass materials synthesis
                  X- Conference on Glass and Ceramics, 18- 20 October (1990) Varna, Bulgaria,
                  (In Bulgarian ) (See 80)