000 00337nam a2200145Ia 4500
020 _a0850978580
082 _b103
_a-
100 _a"Bradley , Ray"
245 0 _aComputer Studies
260 _bCharles Letts & Co Ltd.
_aEngland
_c1988
300 _a96
944 _cBK
999 _c129646
_d129646