000 00295nam a2200121Ia 4500
008 210901s9999 xx 000 0 eng d
082 _a535 SUB
100 _aSubrahmanyam, N.
245 2 _aA textbook of optics
260 _aNew Delhi
_bS.Chand & Co.
650 _aPhysics
942 _2ddc
_cBK
_063
999 _c16563
_d16563