00313nam a2200097Ia 4500008004100000082002400041245002800065260007600093650002100169700002500190220204s9999    xx            000 0 und d  a5:061.3(548.3)bPRO 0aKerala Science Congress  aTrivandrumbState Committee on Science Technology and Environmentc1989  aScience Congress  aBalakrishnan Nair, N