000 00516nam a2200097Ia 4500
008 120223s9999 xx 000 0 und d
082 _a631.46 RAO
100 _aRao, N.S.Subba
245 _aSoil microorganisms and plant growth
260 _bOxford & IBH
_aNew Delhi
_c1977
999 _c152267
_d152267