In Russian. Berndt, Nikolai Vasilievich. Determination of the Economic Efficiency of Research Activities in Transport Issues. Leningrad: 1976-. Opredelenie ekonomicheskoy effektivnosti nauchno-issledovatel'skikh rabot transportnoy tematiki. In Russian /Measuring the Economic Efficiency of Transport Research . 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. SKU6802321