000 00391nam a2200169Ia 4500
008 210210b1981 xxu||||| |||| 00| 0 eng d
082 _a535 SUBT
100 _aSUBRAHMANYAM (N)
245 _aText book of optics. Ed 11.
250 _a
260 _aN D
_bS. Chand & Co. Ltd.
_c1981
300 _axv,594
650 _aOptics
690 _aOptics
700 _aBRIJ LAL.
906 _a043730
999 _c93119
_d93119