000 00333nam a2200145Ia 4500
020 _a9781858051703
082 _b2818
_a001.642
100 _a"HEATHCOTE PM"
245 0 _aCOMPUTING
260 _bLetts Educational
_aLondon
_c1991
300 _a405
944 _cBK
999 _c395549
_d395549