000 00398nam a2200169Ia 4500
001 aQ9489
008 220802s9999 xx 000 0 und d
020 _a0-7668-2684-8
100 _a Blake, Roy
245 0 _aElectronic Communication Systems
250 _a2nd
260 _c2002
300 _axx,985
600 _aTelecommunication Engineering
650 _aTechnology
942 _bBooks
_cBK
999 _c11215
_d11215