Cloos, George W. "The Midwest and the Recession," in Federal Reserve Bank of Chicago. "January/February 1981, Volume V, Issue 1," Economic Perspectives (Federal Reserve Bank of Chicago) (January/February 1981) : 3-7. https://fraser.stlouisfed.org/title/5288/item/552420/toc/521743 , accessed on April 23, 2024.