000 003290000a22001450004500
245 _aMicrofuture
100 _aShelley, John
260 _aLondon
_bPitman Educational
_c1981
300 _a70p. : ill.
020 _a0273016768
080 _a004.3
_bS5
650 _aCOMPUTERS, MICROCOMPUTERS
041 _aEN
942 _cBK
999 _c66145
_d66145