00283nam a2200109Ia 4500008004100000100002700041245004600068260002100114650001400135942000700149999001700156190216s9999||||xx |||||||||||||| ||und||  aDavid Troksel Viskosin 0aPadartha Parishodanayum Pareekshanangalum  bBhasha Institute  aChemistry  cBK  c39560d39560