000 00296nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aDutta (SK) Sloger (C ) ed
245 0 _aBiological Nitrogen fixation Association
260 _bOxford IBH
260 _c1991
365 _b395
942 _cBK
999 _c216142
_d216142