003690000a22001090004500050000800000060000800008082001500016100002600031245008300057260011000140300000900250  a010  a100  a630 RAM/PR  aRamachandran Nair, CG  aProceedings of the fourth kerala science congress 27-29 february 1992 Thrissur  aIndia, State committe on science, Technology & environment Govt of Kerala and Dept of Sc & Tec Govt India  aP356