000 00281nam a2200121Ia 4500
008 160710s1978 xx 000 0 und d
082 _a621.38 HAY
100 _aHAYKIM, SIMON
245 _aCOMMUNICATION SYSTEM
260 _bWILLEY EAS...
_c1978
300 _a653
942 _2ddc
_cB
999 _c46707
_d46707