000 00293nam a2200121Ia 4500
005 20260205054041.0
008 260111s9999||||xx |||||||||||||| ||und||
100 _aArcher, kevin
245 0 _aVoice and data security
260 _aNew Delhi
_bTechmedia
_c2001
300 _a484p.
942 _cBK
999 _c131852
_d131852