00474nam a2200169Ia 4500008004100000020000700041040003000048082001600078100002200094245002300116260003100139300001100170650001200181942000700193952008900200999001500289190302s9999||||xx |||||||||||||| ||und||  c45  aKharagpur College Library  a535.3bM896  aP. K. Chakrabarti  aGeometrical optics  bNew CantralaKolkatac1991  a150 p.  aPhysics  cBK  00104070aMAINbMAINd2016-08-01l0o535.3 M896p19922r2016-08-01w2016-08-01yBK  c6645d6645