000 00303nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
082 _a621.38195
_bSTE
100 _aSteele, Phil
245 0 _aD base iv problem solver
260 _aLondon
_bSoclt, Foresman and Co.
_c1990
300 _a199
942 _2ddc
999 _c25831
_d25831