Gelfer, A. A. Eng. F. G. Zbrozek. Gorges and their Control: Preventing the forma

Gelfer, A. A. Eng. F. G. Zbrozek. Gorges and their Control: Preventing the formation of gullies, stopping their growth, and constructing reservoirs in them. In Russian (ask us if in doubt)./Gel'fer,A. A. inzh. F. G. Zbrozhek. Ovragi i bor'ba s nimi: Predotvrashchenie obrazovaniya ovragov, prekrashchenie ikh rosta i ustroystvo v nikh vodokhranilishch. With 19 drawing tables.Eng. A. A. Gelfer, headed and edited by the Head of the Hydrotechnical Department of Eng. F. G. Zbrozhek (Expeditions for the Study of the Sources of the Main Rivers in Europe and Russia) St. Petersburg. Typo. K. Birkenfeld, 1901g.-2, 69, 2) p.: Table, 19 l. SKUalb0a13c2e0c03cd07f.