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1 feb 1905 año - Докучаев "Учение о зонах природы: горизонтальные и вертикальные почвенные зоны

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История почвоведения

ByМария Постнова
6 feb 2021
1
0
278

fecha:

1 feb 1905 año
Ahora mismo
~ 120 years ago
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