Short description: In Russian. Petryanov, Igor Vasilievich. How the atom was measured. Moscow: Onti. Chief Editor of Popular Science and Youth Literature, 1935: School of the Polygraphical Book Foundation. 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. SKU5298133