| 000 | 00347nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 140113s9999 xx 000 0 und d | ||
| 082 | _a631.84 L7 | ||
| 100 | _a"Ayanaba, A. & Dart, P.J." | ||
| 245 | _aBiological Nitrogen fixation in farming systems of the tropics | ||
| 260 |
_a1977 _bJohn Wiley & Sons _cNew York |
||
| 300 | _a377 | ||
| 942 | _cBK | ||
| 999 |
_c60205 _d60205 |
||