000 00269nam a2200109Ia 4500
008 160710s1937 xx 000 0 und d
100 _aUSPENSKY,J.V
245 _aINTRODUCTION TO MATHEMATICAL PRODUCTIVITY
260 _bMCGRAWHILL
_c1937
300 _a411
942 _2ddc
_cB
999 _c7011
_d7011