000 00000nam a2200000 a 4500
005 20251203092227.0
100 _aBarden,william
245 _aDos Problem Solver
260 _aLondon
_bScott
_c1989
300 _aviii,200p
690 _acomputer Science
690 _aDos
964 _b
_c
_d
_e
_f
_g_
997 _a53719 W
999 _c68563
_d68563