"Short description: In Russian. Moskalev, Alexander Gerasimovich. Automatic regulation of the power system mode by frequency and active power. Moscow; Leningrad: Gosenergoizdat, 1960. Avtomaticheskoe regulirovanie rezhima energeticheskoy sistemy po chastote i aktivnoy moshchnosti. In Russian /Automatic frequency and active power regulation of the power system . 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. SKU6407841"