000 00305nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a330.105
_bMAT
245 0 _aMathematical model building in economics and industry
260 _aLondon
_bCharles Griffin
_c1968
650 _aEcoonomic models
942 _cBK
999 _c22590
_d22590