000 00345nam a2200145Ia 4500
008 221030s9999 xx 000 0 und d
041 _aEnglish
082 _a105.23
100 _aG. Kennedy
245 0 _aElectronic Communication System
_cby G. Kennedy, Bernard Davis
260 _c0
650 _aB
700 _aBernard Davis
942 _cBK
999 _c12097
_d12097