| 000 | 00471nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 170901s1980 xx 000 0 und d | ||
| 020 | _a9171900071 | ||
| 082 |
_a631.84 _bR89N |
||
| 100 | _aRosswall, T | ||
| 245 | 0 | _aNitrogen Cycling in West African Ecosystems | |
| 260 |
_bScope _c1980 |
||
| 300 | _a450 | ||
| 650 | _aAgriculture and related technologies | ||
| 650 | _aTechnology (Applied sciences) | ||
| 653 | _aAfrica | ||
| 653 | _aNitrogen | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c14281 _d14281 |
||