| 000 | 00467nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 160316s9999 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a0-471277-59-2 | ||
| 100 | _aBergersen, F.J Ed. | ||
| 245 | _aMethods for evaluating biological nitrogen fixation | ||
| 260 |
_aNew York _bJohn Wiley _c1980 |
||
| 300 | _aX, 702p | ||
| 650 | _aNitrogen fixtion-measurement | ||
| 999 |
_c41084 _d41084 |
||