000 00324nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.461.5
_bPOS
245 0 _aChemistry and biochemistry of nitrogen fixation.
260 _aLondon
_bPlenum
_c1971
650 _aNitrogen fixation
700 _aPOSTGATE, J R
942 _cBK
999 _c26018
_d26018