000
00247 a2200097 4500
001
14999
100
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Southworth G.C
245
_a
Principles applications of wave guide transmission
260
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London
_b
D Van Nostrand
_c
090
_c
11754
_d
11754
942
_a
NUST-CAE
_c
M
_c
1952
999
_c
250072
_d
250072