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020 _a9789812406118
040 _coclc
082 _a621.382
_bBLA/E
100 _aBlake, Roy
_94517
245 0 _aElectronic Communication Systems /
_cRoy Blake
250 _a2nd Ed.
260 _bThomson Press India Ltd,
_aSingapore:
_c2002.
300 _a985p
650 _aPhysics
942 _cBK
_2ddc
_h621.382
_iBLA/E
_k621.382
_mBLA/E