000 00268nam a22001217a 4500
999 _c677
_d677
020 _a8121926114
082 _a535.01
100 _aDr. N. Subrahmanyam & Others
245 _aA Textbook of Optics
260 _aNew Delhi
_bS. Chand
_c2008
300 _a729
942 _cBK
_084