000 00329nam a2200157Ia 4500
082 _a
100 _aMartin , James
526 _dNTB
526 _aPG
366 _f20
942 _cBK
245 _aTelecommunications and the computer 3rd ed
260 _aNew Jersey
_bPrentice Hall
_c1990
300 _axvi,720
546 _aE
999 _c77750
_d77750