Short description: In Russian. Mikhalkov, Alexander Vladimirovich. What you need to know about voltage regulation. Moscow: Energy, 1971. Chto nuzhno znat' o regulirovanii napryazheniya. In Russian /What you need to know about voltage regulation. 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. SKU7373400