000 00286nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aSubba Rao, N.S.
245 0 _aSoil microorganisms and plant growth
260 _cOxford & IBH Publs.
365 _b0
650 _aNIL
942 _cBK
999 _c91351
_d91351