000 00279nam a22001337a 4500
020 _a9789390113590
100 _aAjoy Ghatak
245 _aOptics
250 _a7th Edition
260 _aNew Delhi
_bMcGraw Hill
_c2022
650 _aOptics
700 _aAjoy Ghatak
942 _cBK
999 _c25327
_d25327