| Description |
|
| |
Bogolepov, Mikhail Alexandrovich
|
|
|
|
Causes of crop failures and famine in Russia in historical times / Prof. AM [!] Bogolepov. - M.: The new village, 1922. -39 p. : tabl. - (Materials of the work of the Experimental and Ameliorative part of the NCC, issue 22)
. |
|
I. Bogolepov, A.M. [!]. |
|
|
|---|
|
Source of the electronic copy: PB |
|
En
Ru
