00280nam a2200121Ia 4500008004100000100001700041245003900058260001700097300000800114650001200122942000700134999001700141190216s9999||||xx |||||||||||||| ||und||  aVasudeva A S 2aA Text Book Of Engineering Physics  bS Chand & Co  a695  aPhysics  cBK  c34199d34199