000 00300nam a2200133Ia 4500
999 _c32304
_d32304
020 _a9788121926119
100 _aSubrahmanyam N
245 2 _aTextbook of Optics
250 _a23
260 _c2006
_bS. CHAND & CO
_aNew Delhi
300 _axx+668
700 _aBrij Lal
_aAvadhanulu M N
942 _cBB