000 00291nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aVenkataraman
245 0 _aAgral biofertilizers and rice cultivation
260 _bToday and Tommorow
260 _c1972
365 _b40
942 _cBK
999 _c205723
_d205723