000 00244nam a2200109Ia 4500
008 200701s2000 xx 000 0 eng d
100 _aHAYKIN SIMON
245 0 _aCOMMUNICATION SYSTEMS
260 _bALLIED
_c2000
300 _a872
942 _2ddc
_cGE
999 _c813
_d813