Proceedings of the Commission on Industry in connection with the war.Vol.7.

Russian technical society.Commission for industry due to war.Proceedings of the Commission on Industry in connection with the war: Vol.1- / Russian tech.o-in.- Petrograd, 1915-1916.- thirty. - .Electronic Source: PBVol.7. - [Type.R.G.Shredder], 1915. -12 s .. -.Electronic Source: PB