00293nam a2200121Ia 4500008004100000100001900041245003200060260003300092300000800125650001400133942000700147999001700154190216s9999||||xx |||||||||||||| ||und||  aRamachandran.R 0aR Ramachandrante Kavithakal  bUniversity Of  Calicutc2000  a38p  aKavithkal  cBK  c28075d28075