000 00381 a2200157 4500
020 _a0240514610
082 _a621.382
_bLEW
090 _c3904
_d4831
100 _aLewis, Geoff
245 _aCommunications technology handbook
250 _a2nd
260 _aJordan
_bFocal Press
_c1997
_g1997
300 _aix, 467p.
_c25cm.
650 _aCOMMUNICATIONS ENGINEERING
942 _cSR
999 _c32884
_d32884