003290000a22001210004500060000800000082001500008100002200023245004600045260005600091260000900147300000700156650004400163  a100  a631.87 VEN  aVenkataraman, G S  aAlgal biofertilizers and rice cultivation  aNew Delhi, Today & Tomorrow s printers & Publishers  c1972  a75  aAlgal biofertilizers - rice cultivation