000 00376nam a2200157Ia 4500
008 170101s1965 xx 000 0 und d
082 _a510 S17B
100 _aSCHAAF, William L.
245 0 _aBasic concepts of elementary mathematics
250 _a2nd ed.
260 _bN.Y.
_c1965
300 _a384p
650 _aMATHEMATICS
653 _aMATHEMATICS
942 _2ddc
_cB
999 _c39415
_d39415