000 00265nam a22001337a 4500
003 SGT
020 _a9789355328595
082 _a535.3,GHA
100 _aGHATAK AJOY
245 _aOPTICS
260 _aINDIA
_bMC GRAW HILL
_c2025
300 _a556
942 _2ddc
_cBK
999 _c33316
_d33316