000 00453nam a2200181Ia 4500
001 156722
008 170722s9999 xx 000 0 und d
020 _a9788131503072
100 _aBlake, Roy
245 _aElectronic communications systems /
250 _a2nd ed.
260 _aSingapore :
_bThomson Delmar ,
_c2002.
300 _axx+985
653 _aCommunication
653 _aElectronics
923 _d20080828
_nCRB/0036/0
942 _cGEN
999 _c138510
_d138510