On the use of electricity to calculate statistical data

Struve, Wilhelm OttovichOn the use of electricity to count statistical data: (Herman Hollerith-Electric Tabulating System) / Sost.Art.ed.Centre.Stat.com.M.V.D.V. Struve.- St. Petersburg: Center.Stat.com.M-V V.Affairs, 1894. - [2], II, 21 p., 1 l.Il.;26. - (Temperter of the Central Statistical Committee of the Ministry of the Interior; No. 37, 1894).Electronic Source: PB