000 00313nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a658.0546 CHE
100 _aCHEN (Graham)
245 _aIntegrated Telecommunications, Management Solutions
260 _aNEW YORK
_bIEEE Press
365 _cRS
999 _c181062
_d181062