000 00453pam a2200157a 44500
008 160408b1986 xxu||||| |||| 00| 0 eng d
082 _a621.38
_bG967v
100 _aGurrie, Michael L.
245 1 _aVOICE/DATA COMMUNICATIONS SYSTEMS
_cAN INTRODUCTION TO TECHNOLOGY
260 _aEnglewood Cliffs
_bPrentice-Hall
_c1986
300 _aix,373
650 _aTelecommunication
700 _aO'Connor, Patrick J.
964 _gCIRC
997 _aA97359 C
999 _c300078
_d300078