00257nam a2200109Ia 4500008004100000100001200041245003500053260002100088650001400109942000700123999001700130190216s9999||||xx |||||||||||||| ||und||  aDr.Keks 0aPareekshanangalude Asoothranam  bBhasha Institute  aChemistry  cBK  c38082d38082