Soil conservation and management in the humid tropics : proceedings of the International conference on soil conservation and management in the humid tropics held in Ibadan, Nigeria, in June 1975. /
Furkejuvvon:
| Váldodahkki: | |
|---|---|
| Materiálatiipa: | Girji |
| Giella: | eaŋgalasgiella |
| Almmustuhtton: |
New York;
John Wiley,
c1977.
|
| Fáttát: | |
| Fáddágilkorat: |
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