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 |