00273nam a2200109Ia 4500008004100000082001200041100000900053245004400062250000900106260004000115300000800155240913s9999||||xx |||||||||||||| ||und||  a  N.S/L  aNULL 0aLibrary Paripalanam Tatvavum Prayogavum  aNULL  bDeepa Kiran PuplicationaNULLc2008  a265