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040 _aLIS CUI Lahore
_cAACR-II/RDA
082 _a621.321 SIN-P
100 _aSinha, Umesh
245 0 _aPrinciples of communication engineering
260 _aNew Delhi
_bSmithsonian Institution scholarly press
264 _c0
300 _aSoft Binding
365 _b0
_cRs.
546 _aEnglish
852 _pLHR 6763
942 _2lhr
_cLHR 6763
_h1
999 _c464714
_d464714