000 00371nam a2200121Ia 4500
008 160523s9999 xx 000 0 und d
020 _a0-201-56542-0
100 _aDuuren, J. V.
245 _aTelecommunication networks and services / 56542-0
260 _aWokingham; England
_bAddison Wesley
_c1992
300 _axi, 212p.
490 _aElectronic systems engineering series
999 _c25253
_d25253