000 00287nam a2200121Ia 4500
008 160710s1997 xx 000 0 und d
082 _a621.382 BLA
100 _aBLACK,U.
245 _aEngineering communication technology
260 _bP.H PTR
_c1997
300 _a457
942 _2ddc
_cB
999 _c56000
_d56000