| 000 | 00327nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 220204s9999 xx 000 0 und d | ||
| 082 |
_a631.459:631.61 _bSHE |
||
| 100 | _aSheng, T C | ||
| 245 | 0 | _aSoil conservation for small farmers in the tropics | |
| 260 |
_aRome _bFAO _c1989 |
||
| 490 | _aFAO soils bulletin 60 | ||
| 942 | _cBK | ||
| 999 |
_c40886 _d40886 |
||