000 00297nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aVenkataraman (G.S)
245 0 _aAlgal Biofertilizers and rice cultivation
260 _bToday and Tomorrow
260 _c1972
365 _b45
942 _cBK
999 _c208551
_d208551