000 00222nam a2200109Ia 4500
082 _a621.382 HAY
100 _aHAYKIN, SIMON
245 _aCOMMUNICATION SYSTEMS
250 _aIV
260 _bWILEY
_c2006
942 _2ddc
_cSC
999 _c77741
_d77741