000 | 00336nam a2200109Ia 4500 | ||
---|---|---|---|
008 | 130225s9999 xx 000 0 und d | ||
245 | _aBiological nitrogen fixation: Towards poverty alleviation through sustainable ag | ||
260 |
_aUNESCO _bSpringer _c2008 |
||
440 | _aCurrent plant science and bio | ||
901 | _a288121 | ||
942 |
_cB _2udc |
||
999 |
_c18223 _d18223 |