Flood protection project of St. Petersburg

Tilla, Eduard Ivanovich (1820-1893).Project of Protection of St. Petersburg from flooding / E.I.Tillo, action.CHLRus.geogr.o -a.- St. Petersburg: Type.Acad.Sciences, 1893. - [2], 54 p., 12 liters.Il.;23. - (Notes of the Russian Geographical Society for General Geography; T. 25, No. 2, ed. Ed. Action. CL. A.A. Tillan).Electronic Source: PB