000 00331nam a2200145Ia 4500
020 _a1904467520
082 _b92-T
_a001.642
100 _a"Heathcote,P M"
245 2 _aA Level Computing
260 _bPayne-Gallway
_aUK
_c2004
300 _a396
944 _cTB
999 _c751641
_d751641