Short description: In Russian. Matushak, Adolf Albertovich. Constitutional Factors and Research Methodology in Children and Adolescents. Leningrad: Leningrad otophonetic in-t, 1930: 2nd 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. SKU9216236