Essay of the activities of the Grand Duke and Emperor Nikolai Pavlovich as the head of the Military Engineering Part

Timchenko-Ruban, Georgy IvanovichEssay of the activities of the Grand Duke and Emperor Nikolai Pavlovich as the head of the Military Engineering: T.1- / G. Timchenko-Ruban.- St. Petersburg: Type.Usmanova, 1912-1914.- 25. -.I. Nicholas I (imp.; 1796-1855).II.Timchenko-Ruban, g. Iii.Ruban, g ..Electronic Source: PB