000 00275nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aSubba Rao
245 0 _aSoil micro - organisms and plant growth
260 _bOIBH
260 _c1977
365 _b15.50
942 _cBK
999 _c202686
_d202686