En
Ru| Author | |
|---|---|
| Description |
Greatzkul, Nikolai AndreevichLiberated labor / prof.ON.Greaskul.- GH.: Ed.specialist.tehnand econ.NKPS publications.- (edition of the editorial office of special technical and economic publications NKPSGL. Ed. S.L. Manevich).Electronic Source: PBVol.1: Our nearest tasks.- 1920. -33 s.;17. -.Electronic Source: PB
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| Publisher | Ред. спец. техн. и экон. изданий НКПС |