000 00289nam a2200133Ia 4500
100 _aDowns, J E
020 _a0-09-159071-X
654 _aComputer Science
942 _cBK
245 _aBasic systems design
260 _aHutchinson, London
_c1985
082 _a001.64 Dow
300 _a200
999 _c15041
_d15041