000
002970000a22001330004500
245
_a
Communications equipment and systems
110
_a
IEE
260
_b
IEE
_c
1978
440
_a
IEE conference publication
440
_a
No.162
080
_a
621.3(063)
_b
I6
041
_a
EN
942
_c
BK
999
_c
113502
_d
113502