000 00445nam a2200157Ia 4500
008 170901s1984 xx 000 0 und d
082 _a589.7
_bS92C
100 _aRao, N. S. Subba
245 0 _aCurrent Developments in Biological Nitrogen Fixation
260 _aNew Delhi
_bOxford and IBH Publishing Co.
_c1984
300 _a351
650 _aBotanical sciences
650 _aPure Sciences
653 _aNitrogen fixation
942 _2ddc
_cBK
_01
999 _c9896
_d9896