000
00251nam a2200097Ia 4500
008
150310s9999 xx 000 0 und d
100
_a
TAUB & SCHILLING
245
_a
PRINCIPLES OF COMMUNICATION SYSTEM
250
_a
2
260
_c
1990
_b
TATA MC GRAW HILL
999
_c
19613
_d
19613