Short description: In Russian. Porfiryev, Mikhail Mikhailovich. Improvement of Cities in the Sixth Five-Year Plan. Moscow: Publishing House of Communal Economy, 1957. Blagoustroystvo gorodov v shestoy pyatiletke. In Russian /Urban Renewal in the Sixth Five-Year Plan . 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. SKU6452963