"Short description: In Russian. Vavilov, Nikolai Ivanovich. The Problem of Plant Rubber in North America. Moscow; Leningrad: Ogiz: State Publishing House of Agriculture and Collective Farm Cooperative Lit-ry, 1931. Problema rastitel'nogo kauchuka v Severnoy Amerike. In Russian /The Plant Rubber Problem in North America . 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. SKU9268312"