000 00367nam a2200133Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.461.5
_bSPR;1
100 _aSPRENT, Janet I
245 0 _aBiology of nitrogen fixing organisms
260 _aLondon
_bMcGraw hill
_c1979
490 _aEuropean plant biology series
650 _aNitrogen fixation
942 _cBK
999 _c34460
_d34460