00474nam a2200169Ia 4500008004100000020000800041040003000049082001500079100002200094245002700116260002800143300001100171650001200182942000700194952008800201999001500289190302s9999||||xx |||||||||||||| ||und||  c100  aKharagpur College Library  a535.2bCHA  aP. K. Chakraborty  aGeometrical and optics  bCambrigeaKolkatac1992  a314 p.  aPhysics  cBK  00104070aMAINbMAINd2016-08-01l0o535.2 CHAp19899r2016-08-01w2016-08-01yBK  c6657d6657