The 2nd Congress of Shydroachutics Engineer on January 8-15, 1913

Congress of hydraulic engineers (2; Petersburg; 1913).The 2nd Congress of Shydroachics Engineer January 8-15, 1913 / GUZ and Z. Department of Land Improvements.- St. Petersburg: [B.I.], 1913. -.I. Russia.The Main Directorate of Land Management and Agriculture.Department of land improvements. 1.People (collection).Electronic copy source: PBOriginal storage: RSGMU