000 00285nam a2200133Ia 4500
999 _c21933
_d21933
020 _a8121904676
100 _aSubrahmanyam N
245 2 _aTextbook of Optics
250 _a22
260 _c1995
_bS CHAND & CO
_aNew Delhi
300 _axv+718+viii
700 _aBrij Lal
942 _cBB