Romankov P. G. Hydraulic processes of chemical technology. In Russian /Romankov P. G. Gidravlicheskie protsessy khimicheskoy tekhnologii. M., L. Goskhizdat 1948. Circulation 2500 copies. 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. SKUalbd53d8441ed385d78.