Popkov I.F. Technological Minimum for the Chief of Staff of River Transport. In Russian /Popkov I.F. Tekhminimum obstanovochnogostarshiny rechnogo transporta. Moscow OGIZ Gostranszdat. 1937. 216s. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalbd0e850450e0b6f72.