000 00558nam a2200217Ia 4500
001 9284
008 220704s1999 ||||||||||||||||| || u
020 _a9780240514949
050 _a621.382 LEW 1999
060 _a621.382 LEW 1999
082 _a621.382 LEW 1999
100 _aLewis, Geoff
245 0 _aCommunications systems
_b engineers' choices
250 _aThird Edition
260 _aOxford
_b�Focal Press
_c1999
300 _a528 p
365 _b33
_cOMR
650 _aCommunication Engineering
700 _aLewis, Geoff
942 _cLBK
999 _c9284
_d9284