000 00473nam a22001697a 4500
008 230427b |||||||| |||| 00| 0 eng d
020 _a81-85614-51-2
040 _aNational Science Library
_cNational Science Library
080 _a535.14
_bN2
100 _aRampal, V V
_97659
245 _aPhotonics:
_bElements & devices
260 _aAllahabad:
_bWheeler Publishing,
_c1992
300 _axii, 330p.
650 _aPhotonics
653 _aDevices
942 _2udc
_cBK
999 _c24183
_d24183