000 00334nam a2200133Ia 4500
008 160630s9999 xx 000 0 und d
020 _a9789812436696
100 _aRoss, John
245 _aTelecommunication Technologies
260 _aSingapore
_bThomson Learning Inc.
_c2003
300 _a382
942 _cREF
999 _c1730
_d1730