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020 _cINR 60.00
040 _aAVIT
041 _aENGLISH
082 _a621.383
100 _aUMESH SINHA
110 _bElectronics
245 0 _aTELEGRAPHY
_cUMESH SINHA
250 _a1995,1ST ED.,
260 _bSATHYA PRAKASHAN
650 _aElectronics
942 _cBK
999 _c64332
_d64332