Short description: In Russian. Berg, Aksel Ivanovich. Light generator theory and calculation. Moscow; Leningrad: State Energy Publishing House, 1932 (Leningrad: Yevg. Sokolova type). The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU9267487