00312nam a2200121Ia 4500008004100000100002100041245004600062260003700108300000900145650001200154942000700166999001700173190216s9999||||xx |||||||||||||| ||und||  aSamir Kumar Gosh 2aA Text Book Of Advanced Practical Physics  bNew Central  Book Agenciesc2000  a554p  aPhysics  cBK  c33726d33726