000 00253nam a2200121Ia 4500
020 _a9788126508242
082 _a621.684 HAY
100 _aHAYKIN, SIMON
245 _aDIGITAL COMMUNICATIONS
260 _bWILEY
_c2009
300 _a597
942 _2ddc
_cB
999 _c65789
_d65789