000 | 00351nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 140317s9999 xx 000 0 und d | ||
082 | _a589.7 | ||
100 | _aStewart,W.D.P. | ||
245 | _aNitrogen fixation by freeliving micro-organisms. | ||
260 |
_aCambridge _bCUP _c1975 |
||
300 | _a471 | ||
650 | _aBotany | ||
653 | _aBotany | ||
942 |
_2ddc _cBK |
||
999 |
_c7589 _d7589 |