000 00288nam a2200121Ia 4500
008 220201s1971 xx 000 0 eng d
082 _a510
_bSTA
100 _aStafford (L.W.T)
245 0 _aMathematics for Economists
260 _bunknown
_aBook Land
_c1971
300 _a371
942 _2ddc
999 _c1926
_d1926