000 00390nam a2200133Ia 4500
008 220314s9999||||xx |||||||||||||| ||und||
080 _a631.8
100 _aSubba Rao, N S, Ed.
245 0 _aRecent advances in biological nitrogen fixation
260 _bOxford & IBH Publishing Co. Pvt. Ltd., New Delhi
_c1979
300 _a486
650 _aSoil conditions for agriculture
942 _cBOOK
999 _c19151
_d19151