000 00316nam a2200133Ia 4500
008 150520s9999||||xx |||||||||||||| ||und||
082 _a510.74 MAR
100 _a"Martin, James"
245 _aTelecommunications & The computer
250 _a1990
300 _a510.74 MAR
600 _aComputer
942 _2ddc
_c6355
999 _c16651
_d16651