00521nam a2200181Ia 4500008004000000082001300040100002100053245003200074250000500106260003500111300001100146650001100157690001100168700001400179906001100193999001700204952011800221210210b1981   xxu||||| |||| 00| 0 eng d  a535 SUBT  aSUBRAHMANYAM (N)  aText book of optics. Ed 11.  a  aN DbS. Chand & Co. Ltd.c1981  axv,594  aOptics  aOptics  aBRIJ LAL.  a043730  c93119d93119  001040708PhysicsaALbALcPhysicsd2021-02-17g22.00l0o535 SUBTp043730r2021-02-17 00:00:00w2021-02-17yBK