Short description: In Russian. Girsh, Hugo Pavlovich. Changes in heart rate and breathing in certain mental states. Schnakenburg type. Ob izmeneniyakh pul'sa i dykhaniya pri nekotorykh psikhicheskikh sostoyaniyakh. In Russian /Changes in heart rate and breathing in certain mental states. 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. SKU4807660