"Short description: In Russian. Gershun, Andrey Alexandrovich. Principles and techniques of light masking. Moscow; Leningrad: Publishing House of Acad. sciences of the USSR, 1943. Printsipy i priemy svetovoy maskirovki. In Russian /Principles and Techniques of Light Mask . 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. SKU5340778"