000 00472nam a2200157Ia 4500
008 241129s9999 xx 000 0 und d
040 _aJamia Hamdard
041 _aEnglish
082 _a631.847
_bS93B
100 _aSubba Rao, N.S.
245 0 _aBiological nitrogen fixation
_cN.S. Subba Rao, G.S. Venkataraman and S. Kannaiyan.
250 _a2nd. ed..
260 _aNew Delhi
_bPublication and Information Division,
_c[n.d.]
300 _aiv,111p., 24cm.
942 _cBK
999 _c18537
_d18537