000 00253nam a2200121Ia 4500
082 _a621.38415 HAY
100 _aHAYKIN, SIMON
245 _aCOMMUNICATION SYSTEMS
250 _aED 2
260 _bWILEY EASTERN
_c1988
300 _a653
942 _2ddc
_cB
999 _c47894
_d47894