000 00432nam a22001817a 4500
999 _c63880
_d63880
005 20210529200514.0
008 201124b ||||| |||| 00| 0 eng d
082 _a535 S941T
100 _aSubramanyam, N
100 _aLal, Brij
245 _aTextbook Of Optics
250 _a10 ed.
260 _aNew Delhi
_bS. Chand & Company
_c1980
300 _ap.581
650 _aGeometrical Optics
650 _aTelescope
942 _cSW