00466nam a2200169Ia 4500008004100000020000700041040003000048082001600078100001700094245001000111260004300121300001100164650001200175942000700187952008700194999001500281190302s9999||||xx |||||||||||||| ||und||  c55  aKharagpur College Library  a535.1bED75  aEdser, Edwin  aLight  bMacmillan and Co limitedaLondonc1949  a591 p.  aPhysics  cBK  00104070aMAINbMAINd2016-08-01l0o535.1 ED75p422r2016-08-01w2016-08-01yBK  c4340d4340