00351nam a2200133Ia 4500008004100000100001400041245006300055250000600118260005000124300000700174650001200181942000700193999001700200190216s9999||||xx |||||||||||||| ||und||  aSumangala 2aA Course Meterial  0n Methodology  Of Science  And Physics  aI  bCalicut University Central Co-Operativec2000  a70  aPhysics  cBK  c34713d34713