00277nam a2200121Ia 4500008004100000100002100041245001500062260003200077300000800109650001400117942000700131999001700138190216s9999||||xx |||||||||||||| ||und||  aRamakrishnan K V 0aKetavilaku  bPoorna Pubs Kozhikodec1992  a91p  aKavithkal  cBK  c26773d26773