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2. 2. V.Yu. Baranov, V.M. Borisov, Yu.Yu. Stepanov, Electro-discharge Excimer Lasers. Energoatomizdat, Moscow, 1988 (in Russian).
3. 3. Laser Focus World, Optoelectronics Industry Sourcebook, 2004 Buyers Guide, PennWell Corp., pp. 11, 257.