| 000 | 00394nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 140316s9999 xx 000 0 und d | ||
| 020 | _a0851989152 | ||
| 082 |
_a572.54 _bWHI/GR |
||
| 100 | _aWhite head,D C | ||
| 245 | _aGrass land nitrogen | ||
| 260 |
_aUnited Kingdom _bCAB international _c1995 |
||
| 300 | _a397 | ||
| 650 | _aNitrogen fixation | ||
| 650 | _asoil fertility | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c934 _d934 |
||