000
00315nam a2200133Ia 4500
100
_a
Roden /martin S
942
_c
BK
654
_a
communication systems design
245
_a
Digital communication systems design
260
_b
prentice hall
_a
New Jersey
_c
1988
300
_a
519
546
_a
ENGLISH
999
_c
32100
_d
32100