Rupert, Peter, 1952- , Gort, Michael, 1923- and Jafarey, Saqib. "Defining Capital in Growth Models," in Federal Reserve Bank of Cleveland. "1999 Quarter 2, Vol. 35, No. 2," Economic Review (Federal Reserve Bank of Cleveland) (1999 Quarter 2) : 20-24. https://fraser.stlouisfed.org/title/1328/item/4412/toc/276532 , accessed on May 17, 2024.