000 00255nam a2200097Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aFREEMAN (ROGER L)
245 0 _aTELECOMMUNICATION SYSTEM ENGINEERING.
260 _bJOHN WILEY & SONS INC.
942 _2ddc
999 _c96898
_d96898