000 00319nam a2200121Ia 4500
008 220201s1986 xx 000 0 eng d
041 _aENG
100 _aI.S: 2245-1962
245 0 _aDATA PROCESSING: 457 SOLVED PROBLEMS
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1986
300 _a344
942 _2ddc
999 _c54128
_d54128