| 000 | 00394nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1977 xx 000 0 und d | ||
| 082 | _a581.133 I-5R | ||
| 100 | _aNEWTON, W | ||
| 245 | 0 | _aRecent development in nitrogen fixation | |
| 260 |
_bLondon _c1977 |
||
| 300 | _a622p | ||
| 650 | _aNITROGEN -- FIXATION -- CONGRESSES | ||
| 653 | _aNITROGEN -- FIXATION -- CONGRESSES | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c75014 _d75014 |
||