000 00316nam a22001337a 4500
999 _c427
_d427
020 _a9788185618104
082 _a621.380414 GHA
100 _aGhatak Ajoy
_aThyagarajan K
245 _aOptical Electroniics
260 _aNew Delhi
_bCambrdge University Press
300 _a624
650 _aAPPLIED PHYSICS
942 _cBK