000
00264nam a2200109Ia 4500
008
190703s9999 xx 000 0 und d
082
_a
621.382 P962
100
_a
PROAKIS,J.G
245
0
_a
DIGITAL COMMUNICATIONS
260
_a
NEW YORK
_b
McGraw-Hill
942
_c
BB
_2
DDC
999
_c
5534
_d
5534