000 00290nam a2200109Ia 4500
008 220201s1992 xx 000 0 eng d
100 _aDAS, J
245 0 _aPRINCIPLES OF DIGITAL COMMUNICATION
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1992
300 _a645
942 _2ddc
999 _c60188
_d60188