000
00245nam a2200121Ia 4500
082
_a
621.382 HAY
100
_a
HAYKIN, SIMON
245
_a
COMMUNICATION SYSTEMS
250
_a
4
260
_b
JOHN WILEY
_c
2004
300
_a
816
942
_2
ddc
_c
B
999
_c
59164
_d
59164