000 00358nam a2200133Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.461.5
_bPOS
100 _aPOSTGATE, J R
245 0 _aFundamentals of nitrogen fixation
260 _aCambridge
_bCambridge University
_c1982
650 _aMicro organisms
650 _aNitrogen fixation
942 _cBK
999 _c37155
_d37155