000 00358nam a2200133Ia 4500
008 220201s1986 xx 000 0 eng d
041 _aENG
100 _aI.S: 2245-1962
245 0 _aCOMMUNICAION SYSTEMS
_bAN INTRODUCTION SIGNALS AND NOISE
250 _a3RD
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1986
300 _a686
942 _2ddc
999 _c54766
_d54766