00686nam0 22002411i 450 99000727571040332120210716103405.000072757120021010d1983----km-y0itay50------baengGBMacroeconomic systemsconstruction, validation and applicationsD. W. Challen and A. J. HaggerLondon [etc.]Macmillan1983Challen,Dw.229843Hagger,Alfred JamesITUNINARICAUNIMARCBK990007275710403321XV I 177XV I 177DTEDTEMacroeconomic systems1829966UNINAGEN01