000 00284nam a2200121Ia 4500
008 220201s1998 xx 000 0 eng d
082 _a621.381
_bMAR
100 _aMartin, J
245 0 _aTelecommunication: the computer
260 _aDelhi
_bPHI
_c1998
300 _a720
942 _2ddc
999 _c35393
_d35393