| 000 | 00382nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a631.4 | ||
| 100 | _aSubba Rao,N.S. | ||
| 245 | _aRecent advances in biological nitrogen fixation. | ||
| 260 |
_aNew Delhi. _bOxford , IBH _c1979 |
||
| 300 | _a486 | ||
| 653 | _aBiological Nitrogen | ||
| 653 | _aSoil Science | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c10597 _d10597 |
||