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020 _a81-203-0834
040 _aLIS CUI Lahore
_cAACR-II/RDA
082 _22nd
_a621.38275 GOW-O
100 _aGowar, John
245 0 _aOptical communication systems
250 _a2nd
260 _aNew Delhi
_bPrentice Hall
264 _c0
300 _aSoft Binding
_bxvi 696
365 _b462
_cRs.
546 _aEnglish
650 _xcommunication systems
852 _pLHR 6657
942 _2lhr
_cLHR 6657
_h1
999 _c464596
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