| 000 | 005340000a22001690004500 | ||
|---|---|---|---|
| 020 | _a0471994995 | ||
| 060 | _a100 | ||
| 082 | _a631.8470913 AYA | ||
| 100 | _aAjanaba, A | ||
| 100 | _aDest, P J | ||
| 245 | _aBiological Nitrogen fixation in farming systems proceedings of the symposium held at the international institute of tropical agriculture | ||
| 260 | _aChichester, John Wiley & Sons | ||
| 260 | _c1977 | ||
| 300 | _a377 | ||
| 650 | _aAgriculture - Tropics - Congresses / Nitrogen fixation - congresses | ||
| 942 | _cBK | ||
| 999 |
_c346843 _d346843 |
||