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020 _a81-318-0081-4
040 _aLIS CUI Lahore
_cAACR-II/RDA
082 _a621.382 SAR-P
100 _aSaraswathi, N. Bala
245 0 _aPrinciples of optical communications and opto-electronics
260 _aNew Delhi
_bLaxmi Publications
264 _c0
300 _aSoft Binding
_b 287
365 _b238
_cRs.
546 _aEnglish
650 _xPrinciples,optical
852 _pLHR 11545
942 _2lhr
_cLHR 11545
_h1
999 _c429522
_d429522