Zlatoper, Thomas John, 1951- and Bauer, Paul W. "Determinants of Direct Air Fares to Cleveland: How Competitive," in Federal Reserve Bank of Cleveland. "1989 Quarter 1," Economic Review (Federal Reserve Bank of Cleveland) (1989 Quarter 1) : 4-11. https://fraser.stlouisfed.org/title/1328/item/4045/toc/266293 , accessed on March 28, 2024.