000
002910000a22001210004500
245
_a
Introduction to communication theory
100
_a
Roden, Martin S.
260
_a
New York
_b
Pergamon
_c
1972
300
_a
xiv, 272p. : ill.
080
_a
621.391
_b
R6
041
_a
EN
942
_c
BK
_0
2
999
_c
94590
_d
94590