000 00234nam a2200097 4500
245 _aData processing.
_cT. F. Fry
100 _aFry, T. F.
260 _aLondon,
_bButterworths
_c1983
300 _a[4] , 252p.; 21cm.
082 _a001.64
_bFRY
999 _c64488
_d64488