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1 janv. 1881 - П.А. Костычев Диссертация «нерастворимые фосфорнокислые соединения почв».

Ajouté au bande de temps:

История почвоведения

ByМария Постнова
6 févr. 2021
1
0
278

Date:

1 janv. 1881
Maintenaint
~ Il y a 144 ans
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