000
00230 a2200097 4500
001
51077
100
_a
Dordick H S
245
_a
Understanding Modern Telecommunications
260
_a
New York
_b
McGraw-H
_c
090
_c
32338
_d
32338
942
_a
NUST-CAE
_c
M
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24823
999
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286150
_d
286150