En
Ru| Description |
Essay on the activities of the agricultural chemical laboratory for 1923–1927.Ext.No. 1 / P.F.Konstantinov / Konstantinov P.F.- Type.CHB, 1928. -.Electronic copy source: Transbaikal Kunb
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| Publisher | Тип. КВЖД |
| Description |
Essay on the activities of the agricultural chemical laboratory for 1923–1927.Ext.No. 1 / P.F.Konstantinov / Konstantinov P.F.- Type.CHB, 1928. -.Electronic copy source: Transbaikal Kunb
|
|---|---|
| Publisher | Тип. КВЖД |