000 00310nam a2200121Ia 4500
008 250327s9999 xx 000 0 und d
020 _a9780415332811
082 _bWER
_aCQR
100 _aFrank Werner,Tri N Stoskov
_934267
245 0 _aMathematics of Economics and Business
260 _bRoutledge
942 _cBK
999 _c6972
_d6972