000 00327nam a2200157Ia 4500
082 _a621.380413/Bla
100 _aBlake, Roy
526 _dTB
526 _aUG
366 _f20
942 _cBK
245 _aElectronic communication systems.-2nd ed.
260 _aAndover
_bCengage
_c2002
300 _axx,963
546 _aE
999 _c78691
_d78691