000 00443nam a2200157Ia 4500
008 241226s9999 xx 000 0 und d
020 _a0-07-047281-5
082 _a621.382
_bBAT
100 _aBates, R
245 0 _aVoice & data communications handbook
250 _a 4th edition.
260 _aNew Delhi :
_bTatamcgraw-Hill Publication,
_c2003.
300 _axxvii,1073
365 _a575
650 _aElectrical Electronics Communication,
999 _c137352
_d137352