000 00326nam a2200133Ia 4500
008 160316s1979 xxu||||| |||| 00| 0 eng d
020 _a
100 _aN.S. Susta Rao
245 _aRecent Advances In Biological Nitrogen Fixation
250 _a1st
260 _aNEW DELHI
_bOXFORD & IBH
_c1979
300 _a486
700 _a
_a
999 _c15765
_d15765