00270nam a2200121Ia 4500008004100000082001100041082001000052100002800062245001800090260001300108260001800121260000900139230118s9999||||xx |||||||||||||| ||und||  a8m3.01  bGOP/N  aprof.k bgopalakrishnan 0anattuvelicham  athrissur  bcurrent books  c1988