000 00299nam a2200121Ia 4500
008 160710s1990 xx 000 0 und d
082 _a621.38 GIB
100 _aGIBSON,J.D.
245 _aPRINCIPLES OF DIGITAL & ANALOG COMMUNICATION
260 _bMACMILLAN
_c1990
300 _a521
942 _2ddc
_cB
999 _c49436
_d49436