00331nam a2200109Ia 450000500170000000800410001705000410005810000160009924500550011526000090017065000420017920251229184140.0251229s9999 xx 000 0 und d aHB 3711 .S88 C.1-FASS aSu, Vincent 0aE conomic fluctuations and forecastingcVincent Su a594p aBusiness Cycles - Mathematical Models