000 00344nam a2200145Ia 4500
020 _a1857585852
082 _b1383
_a001.642
100 _a"Tony Rackham"
245 0 _aInformation Technology
260 _b,Letts Educational
_alondon
_c1995
300 _a252
944 _cBK
999 _c629953
_d629953