003660000a22001090004500060000800000082001600008245012600024260005000150260000900200300000800209310003900217  a105  a500.954 PRO  aIndian science congress association : Proceedings of the forty - seventh session bombay - 1960. Part 2.Prexdental address  aCalcutta, Indian science congress association  c1960  a200  aIndian science congres association