00290nam a2200085Ia 4500008004100000082002000041245007800061260004400139650002100183220204s9999    xx            000 0 und d  a633(548.3)bNAT 0aNational symposium on plantation crops, Trivandrum Dec 8-9,1972: Souvenir  aKeralabIndian Soc for plantation Crops  aPlantation crops