000 00294nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.382
100 _aWayne Tomasi
245 0 _aAdvanced Electronic communication systems
250 _a6
260 _bPearson Education
_c2004
942 _cBK
999 _c5797
_d5797