000 00320nam a2200133Ia 4500
008 230715s9999||||xx |||||||||||||| ||und||
041 _aeng
082 _a621.382
_bT02 BLA
100 _aBlake, Roy
245 0 _aElectronic communication systems
_cBlake, Roy
250 _a2nd ed.
260 _bCengage
_c2002
942 _cBK
999 _c8469
_d8469