000
00267nam a2200121Ia 4500
008
211122s9999 xx 000 0 und d
082
_a
621.382
100
_a
PROAKIS
245
0
_a
COMMUNICATION SYSTEM ENGINEERING
260
_b
PEA
365
_b
355.00
942
_c
BK
999
_c
64389
_d
64389