000 00332nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.461.5:57
_bSUB
245 0 _aBiological nitrogen fixation: Recent developments
260 _aNew Delhi
_bOxford & IBH
_c1988
650 _aNitrogen fixation
700 _aSUBBARAO
942 _cBK
999 _c39769
_d39769