000
00266nam a2200097Ia 4500
008
150310s9999 xx 000 0 und d
100
_a
HERBERT TAUB & DONALD SCHILLING
245
_a
PRINCIPLES OF COMMUNICATION SYSTEMS
250
_a
2
260
_c
1997
_b
TATA MC GRAW HILL
999
_c
25064
_d
25064