000 00357nam a2200157Ia 4500
008 170101s1958 xx 000 0 und d
082 _a510 H52I
100 _aHELTON, Floyd F.
245 0 _aIntroducing mathematics
250 _a2nd.ed.
260 _bN.Y.
_c1958
300 _a396p
650 _aMATHEMATICS
653 _aMATHEMATICS
942 _2ddc
_cB
999 _c31387
_d31387