Short description: In Russian. Kashirskaya, Maria Sergeevna. Loud-speaker technological communication in rail transport. Moscow: Transport, 1974. Gromkogovoryashchaya tekhnologicheskaya svyaz' na zheleznodorozhnom transporte. In Russian /Loud-speaker technological communication in rail transport. 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. SKU7393891