000 00256nam a2200121Ia 4500
100 _aAcma, T Fry
020 _a0 408 01171 8
942 _cBK
245 _aData processing
260 _aButterworths, London
_c1983
082 _a001.6 Fry
300 _aiv,252
999 _c14140
_d14140