In Russian. Smirnov, Petr Mikhailovich. Issues of agrochemistry of nitrogen. Moscow: TSCA, 1977. All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7695950
In Russian. Smirnov, Petr Mikhailovich. Agrochemistry. Moscow: Kolos, 1977. All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7695949