000 00292nam a2200145Ia 4500
100 _aSubrahmanyam/N/ Lal/Brij
250 _a25
942 _cBK
366 _f20
245 _aText book of Optics
260 _bS.Chand & C0
_c2012
300 _a729
546 _aENGLISH
_cTTL
999 _c24052
_d24052