000 00281 a2200109 4500
999 _c4082
_d4077
020 _a9788131719534
245 _aElectronic communications systems :
_bFundamentals through advanced
250 _a5th Ed.
260 _bPearson
_c2008
300 _a1184 p.
100 _aTomasi, Wayne
_9503