| 000 | 00349nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 160316s1977 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a | ||
| 100 | _aA Ayanaba | ||
| 245 | _aBiological Nitrogen Fixation In Farming Systems Of The Tropics | ||
| 250 | _a1 | ||
| 260 |
_aNEW YORK _bJOHN WILEY AND SONS _c1977 |
||
| 300 | _a377 | ||
| 700 |
_a P J Darl _a |
||
| 999 |
_c24010 _d24010 |
||