00329nam a2200133Ia 4500008004100000041000800041082001300049100002300062245003400085260003000119300000800149365001500157700002300172230718s9999    xx            000 0 und d  aeng  a600bGOP  aGopalkrishnon K.V.  aInventors Who Revalutionaised  c1999bNational Book Trust  a152  cRs.b40.00  aGopalkrishnon K.V.