000
002780000a22001090004500
245
_a
Digital signal transmission : line circuit technology
100
_a
Hart, B.
260
_a
Berkshire
_b
Van Nostrand Reinhold
_c
1988
080
_a
621.391.8
_b
H3
041
_a
EN
942
_c
BK
999
_c
120532
_d
120532